18787410

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{467}}^1$

素因数の和:632

約数の個数: 64

約数和(自身を含む): 50544000

約数和(自身を除く): 31756590

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 149, 270, 298, 447, 467, 745, 894, 934, 1341, 1401, 1490, 2235, 2335, 2682, 2802, 4023, 4203, 4470, 4670, 6705, 7005, 8046, 8406, 12609, 13410, 14010, 20115, 21015, 25218, 40230, 42030, 63045, 69583, 126090, 139166, 208749, 347915, 417498, 626247, 695830, 1043745, 1252494, 1878741, 2087490, 3131235, 3757482, 6262470, 9393705, 18787410]

約数ペア:

[(1, 18787410), (2, 9393705), (3, 6262470), (5, 3757482), (6, 3131235), (9, 2087490), (10, 1878741), (15, 1252494), (18, 1043745), (27, 695830), (30, 626247), (45, 417498), (54, 347915), (90, 208749), (135, 139166), (149, 126090), (270, 69583), (298, 63045), (447, 42030), (467, 40230), (745, 25218), (894, 21015), (934, 20115), (1341, 14010), (1401, 13410), (1490, 12609), (2235, 8406), (2335, 8046), (2682, 7005), (2802, 6705), (4023, 4670), (4203, 4470)]