18622760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{607}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 45964800

約数和(自身を除く): 27342040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 59, 65, 104, 118, 130, 236, 260, 295, 472, 520, 590, 607, 767, 1180, 1214, 1534, 2360, 2428, 3035, 3068, 3835, 4856, 6070, 6136, 7670, 7891, 12140, 15340, 15782, 24280, 30680, 31564, 35813, 39455, 63128, 71626, 78910, 143252, 157820, 179065, 286504, 315640, 358130, 465569, 716260, 931138, 1432520, 1862276, 2327845, 3724552, 4655690, 9311380, 18622760]

約数ペア:

[(1, 18622760), (2, 9311380), (4, 4655690), (5, 3724552), (8, 2327845), (10, 1862276), (13, 1432520), (20, 931138), (26, 716260), (40, 465569), (52, 358130), (59, 315640), (65, 286504), (104, 179065), (118, 157820), (130, 143252), (236, 78910), (260, 71626), (295, 63128), (472, 39455), (520, 35813), (590, 31564), (607, 30680), (767, 24280), (1180, 15782), (1214, 15340), (1534, 12140), (2360, 7891), (2428, 7670), (3035, 6136), (3068, 6070), (3835, 4856)]