18513045

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{577}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 34624512

約数和(自身を除く): 16111467

約数列:

[1, 3, 5, 9, 15, 23, 31, 45, 69, 93, 115, 155, 207, 279, 345, 465, 577, 713, 1035, 1395, 1731, 2139, 2885, 3565, 5193, 6417, 8655, 10695, 13271, 17887, 25965, 32085, 39813, 53661, 66355, 89435, 119439, 160983, 199065, 268305, 411401, 597195, 804915, 1234203, 2057005, 3702609, 6171015, 18513045]

約数ペア:

[(1, 18513045), (3, 6171015), (5, 3702609), (9, 2057005), (15, 1234203), (23, 804915), (31, 597195), (45, 411401), (69, 268305), (93, 199065), (115, 160983), (155, 119439), (207, 89435), (279, 66355), (345, 53661), (465, 39813), (577, 32085), (713, 25965), (1035, 17887), (1395, 13271), (1731, 10695), (2139, 8655), (2885, 6417), (3565, 5193)]