19271880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:148

約数の個数: 192

約数和(自身を含む): 68739840

約数和(自身を除く): 49467960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 47, 51, 60, 67, 68, 72, 85, 90, 94, 102, 120, 134, 136, 141, 153, 170, 180, 188, 201, 204, 235, 255, 268, 282, 306, 335, 340, 360, 376, 402, 408, 423, 470, 510, 536, 564, 603, 612, 670, 680, 705, 765, 799, 804, 846, 940, 1005, 1020, 1128, 1139, 1206, 1224, 1340, 1410, 1530, 1598, 1608, 1692, 1880, 2010, 2040, 2115, 2278, 2397, 2412, 2680, 2820, 3015, 3060, 3149, 3196, 3384, 3417, 3995, 4020, 4230, 4556, 4794, 4824, 5640, 5695, 6030, 6120, 6298, 6392, 6834, 7191, 7990, 8040, 8460, 9112, 9447, 9588, 10251, 11390, 11985, 12060, 12596, 13668, 14382, 15745, 15980, 16920, 17085, 18894, 19176, 20502, 22780, 23970, 24120, 25192, 27336, 28341, 28764, 31490, 31960, 34170, 35955, 37788, 41004, 45560, 47235, 47940, 51255, 53533, 56682, 57528, 62980, 68340, 71910, 75576, 82008, 94470, 95880, 102510, 107066, 113364, 125960, 136680, 141705, 143820, 160599, 188940, 205020, 214132, 226728, 267665, 283410, 287640, 321198, 377880, 410040, 428264, 481797, 535330, 566820, 642396, 802995, 963594, 1070660, 1133640, 1284792, 1605990, 1927188, 2141320, 2408985, 3211980, 3854376, 4817970, 6423960, 9635940, 19271880]

約数ペア:

[(1, 19271880), (2, 9635940), (3, 6423960), (4, 4817970), (5, 3854376), (6, 3211980), (8, 2408985), (9, 2141320), (10, 1927188), (12, 1605990), (15, 1284792), (17, 1133640), (18, 1070660), (20, 963594), (24, 802995), (30, 642396), (34, 566820), (36, 535330), (40, 481797), (45, 428264), (47, 410040), (51, 377880), (60, 321198), (67, 287640), (68, 283410), (72, 267665), (85, 226728), (90, 214132), (94, 205020), (102, 188940), (120, 160599), (134, 143820), (136, 141705), (141, 136680), (153, 125960), (170, 113364), (180, 107066), (188, 102510), (201, 95880), (204, 94470), (235, 82008), (255, 75576), (268, 71910), (282, 68340), (306, 62980), (335, 57528), (340, 56682), (360, 53533), (376, 51255), (402, 47940), (408, 47235), (423, 45560), (470, 41004), (510, 37788), (536, 35955), (564, 34170), (603, 31960), (612, 31490), (670, 28764), (680, 28341), (705, 27336), (765, 25192), (799, 24120), (804, 23970), (846, 22780), (940, 20502), (1005, 19176), (1020, 18894), (1128, 17085), (1139, 16920), (1206, 15980), (1224, 15745), (1340, 14382), (1410, 13668), (1530, 12596), (1598, 12060), (1608, 11985), (1692, 11390), (1880, 10251), (2010, 9588), (2040, 9447), (2115, 9112), (2278, 8460), (2397, 8040), (2412, 7990), (2680, 7191), (2820, 6834), (3015, 6392), (3060, 6298), (3149, 6120), (3196, 6030), (3384, 5695), (3417, 5640), (3995, 4824), (4020, 4794), (4230, 4556)]