18871710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:170

約数の個数: 128

約数和(自身を含む): 54867456

約数和(自身を除く): 35995746

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 53, 55, 65, 66, 78, 83, 106, 110, 130, 143, 159, 165, 166, 195, 249, 265, 286, 318, 330, 390, 415, 429, 498, 530, 583, 689, 715, 795, 830, 858, 913, 1079, 1166, 1245, 1378, 1430, 1590, 1749, 1826, 2067, 2145, 2158, 2490, 2739, 2915, 3237, 3445, 3498, 4134, 4290, 4399, 4565, 5395, 5478, 5830, 6474, 6890, 7579, 8745, 8798, 9130, 10335, 10790, 11869, 13197, 13695, 15158, 16185, 17490, 20670, 21995, 22737, 23738, 26394, 27390, 32370, 35607, 37895, 43990, 45474, 48389, 57187, 59345, 65985, 71214, 75790, 96778, 113685, 114374, 118690, 131970, 145167, 171561, 178035, 227370, 241945, 285935, 290334, 343122, 356070, 483890, 571870, 629057, 725835, 857805, 1258114, 1451670, 1715610, 1887171, 3145285, 3774342, 6290570, 9435855, 18871710]

約数ペア:

[(1, 18871710), (2, 9435855), (3, 6290570), (5, 3774342), (6, 3145285), (10, 1887171), (11, 1715610), (13, 1451670), (15, 1258114), (22, 857805), (26, 725835), (30, 629057), (33, 571870), (39, 483890), (53, 356070), (55, 343122), (65, 290334), (66, 285935), (78, 241945), (83, 227370), (106, 178035), (110, 171561), (130, 145167), (143, 131970), (159, 118690), (165, 114374), (166, 113685), (195, 96778), (249, 75790), (265, 71214), (286, 65985), (318, 59345), (330, 57187), (390, 48389), (415, 45474), (429, 43990), (498, 37895), (530, 35607), (583, 32370), (689, 27390), (715, 26394), (795, 23738), (830, 22737), (858, 21995), (913, 20670), (1079, 17490), (1166, 16185), (1245, 15158), (1378, 13695), (1430, 13197), (1590, 11869), (1749, 10790), (1826, 10335), (2067, 9130), (2145, 8798), (2158, 8745), (2490, 7579), (2739, 6890), (2915, 6474), (3237, 5830), (3445, 5478), (3498, 5395), (4134, 4565), (4290, 4399)]