18715710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1297}}^1$

素因数の和:1357

約数の個数: 64

約数和(自身を含む): 49718592

約数和(自身を除く): 31002882

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 37, 39, 65, 74, 78, 111, 130, 185, 195, 222, 370, 390, 481, 555, 962, 1110, 1297, 1443, 2405, 2594, 2886, 3891, 4810, 6485, 7215, 7782, 12970, 14430, 16861, 19455, 33722, 38910, 47989, 50583, 84305, 95978, 101166, 143967, 168610, 239945, 252915, 287934, 479890, 505830, 623857, 719835, 1247714, 1439670, 1871571, 3119285, 3743142, 6238570, 9357855, 18715710]

約数ペア:

[(1, 18715710), (2, 9357855), (3, 6238570), (5, 3743142), (6, 3119285), (10, 1871571), (13, 1439670), (15, 1247714), (26, 719835), (30, 623857), (37, 505830), (39, 479890), (65, 287934), (74, 252915), (78, 239945), (111, 168610), (130, 143967), (185, 101166), (195, 95978), (222, 84305), (370, 50583), (390, 47989), (481, 38910), (555, 33722), (962, 19455), (1110, 16861), (1297, 14430), (1443, 12970), (2405, 7782), (2594, 7215), (2886, 6485), (3891, 4810)]