18601360

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1481}}^1$

素因数の和:1651

約数の個数: 40

約数和(自身を含む): 43553016

約数和(自身を除く): 24951656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1481, 1570, 2512, 2962, 3140, 5924, 6280, 7405, 11848, 12560, 14810, 23696, 29620, 59240, 118480, 232517, 465034, 930068, 1162585, 1860136, 2325170, 3720272, 4650340, 9300680, 18601360]

約数ペア:

[(1, 18601360), (2, 9300680), (4, 4650340), (5, 3720272), (8, 2325170), (10, 1860136), (16, 1162585), (20, 930068), (40, 465034), (80, 232517), (157, 118480), (314, 59240), (628, 29620), (785, 23696), (1256, 14810), (1481, 12560), (1570, 11848), (2512, 7405), (2962, 6280), (3140, 5924)]