18998520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:237

約数の個数: 128

約数和(自身を含む): 61689600

約数和(自身を除く): 42691080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 67, 68, 85, 102, 120, 134, 136, 139, 170, 201, 204, 255, 268, 278, 335, 340, 402, 408, 417, 510, 536, 556, 670, 680, 695, 804, 834, 1005, 1020, 1112, 1139, 1340, 1390, 1608, 1668, 2010, 2040, 2085, 2278, 2363, 2680, 2780, 3336, 3417, 4020, 4170, 4556, 4726, 5560, 5695, 6834, 7089, 8040, 8340, 9112, 9313, 9452, 11390, 11815, 13668, 14178, 16680, 17085, 18626, 18904, 22780, 23630, 27336, 27939, 28356, 34170, 35445, 37252, 45560, 46565, 47260, 55878, 56712, 68340, 70890, 74504, 93130, 94520, 111756, 136680, 139695, 141780, 158321, 186260, 223512, 279390, 283560, 316642, 372520, 474963, 558780, 633284, 791605, 949926, 1117560, 1266568, 1583210, 1899852, 2374815, 3166420, 3799704, 4749630, 6332840, 9499260, 18998520]

約数ペア:

[(1, 18998520), (2, 9499260), (3, 6332840), (4, 4749630), (5, 3799704), (6, 3166420), (8, 2374815), (10, 1899852), (12, 1583210), (15, 1266568), (17, 1117560), (20, 949926), (24, 791605), (30, 633284), (34, 558780), (40, 474963), (51, 372520), (60, 316642), (67, 283560), (68, 279390), (85, 223512), (102, 186260), (120, 158321), (134, 141780), (136, 139695), (139, 136680), (170, 111756), (201, 94520), (204, 93130), (255, 74504), (268, 70890), (278, 68340), (335, 56712), (340, 55878), (402, 47260), (408, 46565), (417, 45560), (510, 37252), (536, 35445), (556, 34170), (670, 28356), (680, 27939), (695, 27336), (804, 23630), (834, 22780), (1005, 18904), (1020, 18626), (1112, 17085), (1139, 16680), (1340, 14178), (1390, 13668), (1608, 11815), (1668, 11390), (2010, 9452), (2040, 9313), (2085, 9112), (2278, 8340), (2363, 8040), (2680, 7089), (2780, 6834), (3336, 5695), (3417, 5560), (4020, 4726), (4170, 4556)]