18918288

素因数分解:

$2^4\times 3^2\times {\mathrm{79}}^1\times {\mathrm{1663}}^1$

素因数の和:1756

約数の個数: 60

約数和(自身を含む): 53647360

約数和(自身を除く): 34729072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 79, 144, 158, 237, 316, 474, 632, 711, 948, 1264, 1422, 1663, 1896, 2844, 3326, 3792, 4989, 5688, 6652, 9978, 11376, 13304, 14967, 19956, 26608, 29934, 39912, 59868, 79824, 119736, 131377, 239472, 262754, 394131, 525508, 788262, 1051016, 1182393, 1576524, 2102032, 2364786, 3153048, 4729572, 6306096, 9459144, 18918288]

約数ペア:

[(1, 18918288), (2, 9459144), (3, 6306096), (4, 4729572), (6, 3153048), (8, 2364786), (9, 2102032), (12, 1576524), (16, 1182393), (18, 1051016), (24, 788262), (36, 525508), (48, 394131), (72, 262754), (79, 239472), (144, 131377), (158, 119736), (237, 79824), (316, 59868), (474, 39912), (632, 29934), (711, 26608), (948, 19956), (1264, 14967), (1422, 13304), (1663, 11376), (1896, 9978), (2844, 6652), (3326, 5688), (3792, 4989)]