18613920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:207

約数の個数: 192

約数和(自身を含む): 66890880

約数和(自身を除く): 48276960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 32, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 96, 104, 114, 120, 130, 152, 156, 157, 160, 190, 195, 208, 228, 240, 247, 260, 285, 304, 312, 314, 380, 390, 416, 456, 471, 480, 494, 520, 570, 608, 624, 628, 741, 760, 780, 785, 912, 942, 988, 1040, 1140, 1235, 1248, 1256, 1482, 1520, 1560, 1570, 1824, 1884, 1976, 2041, 2080, 2280, 2355, 2470, 2512, 2964, 2983, 3040, 3120, 3140, 3705, 3768, 3952, 4082, 4560, 4710, 4940, 5024, 5928, 5966, 6123, 6240, 6280, 7410, 7536, 7904, 8164, 8949, 9120, 9420, 9880, 10205, 11856, 11932, 12246, 12560, 14820, 14915, 15072, 16328, 17898, 18840, 19760, 20410, 23712, 23864, 24492, 25120, 29640, 29830, 30615, 32656, 35796, 37680, 38779, 39520, 40820, 44745, 47728, 48984, 59280, 59660, 61230, 65312, 71592, 75360, 77558, 81640, 89490, 95456, 97968, 116337, 118560, 119320, 122460, 143184, 155116, 163280, 178980, 193895, 195936, 232674, 238640, 244920, 286368, 310232, 326560, 357960, 387790, 465348, 477280, 489840, 581685, 620464, 715920, 775580, 930696, 979680, 1163370, 1240928, 1431840, 1551160, 1861392, 2326740, 3102320, 3722784, 4653480, 6204640, 9306960, 18613920]

約数ペア:

[(1, 18613920), (2, 9306960), (3, 6204640), (4, 4653480), (5, 3722784), (6, 3102320), (8, 2326740), (10, 1861392), (12, 1551160), (13, 1431840), (15, 1240928), (16, 1163370), (19, 979680), (20, 930696), (24, 775580), (26, 715920), (30, 620464), (32, 581685), (38, 489840), (39, 477280), (40, 465348), (48, 387790), (52, 357960), (57, 326560), (60, 310232), (65, 286368), (76, 244920), (78, 238640), (80, 232674), (95, 195936), (96, 193895), (104, 178980), (114, 163280), (120, 155116), (130, 143184), (152, 122460), (156, 119320), (157, 118560), (160, 116337), (190, 97968), (195, 95456), (208, 89490), (228, 81640), (240, 77558), (247, 75360), (260, 71592), (285, 65312), (304, 61230), (312, 59660), (314, 59280), (380, 48984), (390, 47728), (416, 44745), (456, 40820), (471, 39520), (480, 38779), (494, 37680), (520, 35796), (570, 32656), (608, 30615), (624, 29830), (628, 29640), (741, 25120), (760, 24492), (780, 23864), (785, 23712), (912, 20410), (942, 19760), (988, 18840), (1040, 17898), (1140, 16328), (1235, 15072), (1248, 14915), (1256, 14820), (1482, 12560), (1520, 12246), (1560, 11932), (1570, 11856), (1824, 10205), (1884, 9880), (1976, 9420), (2041, 9120), (2080, 8949), (2280, 8164), (2355, 7904), (2470, 7536), (2512, 7410), (2964, 6280), (2983, 6240), (3040, 6123), (3120, 5966), (3140, 5928), (3705, 5024), (3768, 4940), (3952, 4710), (4082, 4560)]