18861840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:126

約数の個数: 240

約数和(自身を含む): 71031168

約数和(自身を除く): 52169328

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 23, 24, 30, 34, 36, 40, 45, 46, 48, 51, 60, 67, 68, 69, 72, 80, 85, 90, 92, 102, 115, 120, 134, 136, 138, 144, 153, 170, 180, 184, 201, 204, 207, 230, 240, 255, 268, 272, 276, 306, 335, 340, 345, 360, 368, 391, 402, 408, 414, 460, 510, 536, 552, 603, 612, 670, 680, 690, 720, 765, 782, 804, 816, 828, 920, 1005, 1020, 1035, 1072, 1104, 1139, 1173, 1206, 1224, 1340, 1360, 1380, 1530, 1541, 1564, 1608, 1656, 1840, 1955, 2010, 2040, 2070, 2278, 2346, 2412, 2448, 2680, 2760, 3015, 3060, 3082, 3128, 3216, 3312, 3417, 3519, 3910, 4020, 4080, 4140, 4556, 4623, 4692, 4824, 5360, 5520, 5695, 5865, 6030, 6120, 6164, 6256, 6834, 7038, 7705, 7820, 8040, 8280, 9112, 9246, 9384, 9648, 10251, 11390, 11730, 12060, 12240, 12328, 13668, 13869, 14076, 15410, 15640, 16080, 16560, 17085, 17595, 18224, 18492, 18768, 20502, 22780, 23115, 23460, 24120, 24656, 26197, 27336, 27738, 28152, 30820, 31280, 34170, 35190, 36984, 41004, 45560, 46230, 46920, 48240, 51255, 52394, 54672, 55476, 56304, 61640, 68340, 69345, 70380, 73968, 78591, 82008, 91120, 92460, 93840, 102510, 104788, 110952, 123280, 130985, 136680, 138690, 140760, 157182, 164016, 184920, 205020, 209576, 221904, 235773, 261970, 273360, 277380, 281520, 314364, 369840, 392955, 410040, 419152, 471546, 523940, 554760, 628728, 785910, 820080, 943092, 1047880, 1109520, 1178865, 1257456, 1571820, 1886184, 2095760, 2357730, 3143640, 3772368, 4715460, 6287280, 9430920, 18861840]

約数ペア:

[(1, 18861840), (2, 9430920), (3, 6287280), (4, 4715460), (5, 3772368), (6, 3143640), (8, 2357730), (9, 2095760), (10, 1886184), (12, 1571820), (15, 1257456), (16, 1178865), (17, 1109520), (18, 1047880), (20, 943092), (23, 820080), (24, 785910), (30, 628728), (34, 554760), (36, 523940), (40, 471546), (45, 419152), (46, 410040), (48, 392955), (51, 369840), (60, 314364), (67, 281520), (68, 277380), (69, 273360), (72, 261970), (80, 235773), (85, 221904), (90, 209576), (92, 205020), (102, 184920), (115, 164016), (120, 157182), (134, 140760), (136, 138690), (138, 136680), (144, 130985), (153, 123280), (170, 110952), (180, 104788), (184, 102510), (201, 93840), (204, 92460), (207, 91120), (230, 82008), (240, 78591), (255, 73968), (268, 70380), (272, 69345), (276, 68340), (306, 61640), (335, 56304), (340, 55476), (345, 54672), (360, 52394), (368, 51255), (391, 48240), (402, 46920), (408, 46230), (414, 45560), (460, 41004), (510, 36984), (536, 35190), (552, 34170), (603, 31280), (612, 30820), (670, 28152), (680, 27738), (690, 27336), (720, 26197), (765, 24656), (782, 24120), (804, 23460), (816, 23115), (828, 22780), (920, 20502), (1005, 18768), (1020, 18492), (1035, 18224), (1072, 17595), (1104, 17085), (1139, 16560), (1173, 16080), (1206, 15640), (1224, 15410), (1340, 14076), (1360, 13869), (1380, 13668), (1530, 12328), (1541, 12240), (1564, 12060), (1608, 11730), (1656, 11390), (1840, 10251), (1955, 9648), (2010, 9384), (2040, 9246), (2070, 9112), (2278, 8280), (2346, 8040), (2412, 7820), (2448, 7705), (2680, 7038), (2760, 6834), (3015, 6256), (3060, 6164), (3082, 6120), (3128, 6030), (3216, 5865), (3312, 5695), (3417, 5520), (3519, 5360), (3910, 4824), (4020, 4692), (4080, 4623), (4140, 4556)]