18153640

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6217}}^1$

素因数の和:6301

約数の個数: 32

約数和(自身を含む): 41411880

約数和(自身を除く): 23258240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 6217, 12434, 24868, 31085, 49736, 62170, 124340, 248680, 453841, 907682, 1815364, 2269205, 3630728, 4538410, 9076820, 18153640]

約数ペア:

[(1, 18153640), (2, 9076820), (4, 4538410), (5, 3630728), (8, 2269205), (10, 1815364), (20, 907682), (40, 453841), (73, 248680), (146, 124340), (292, 62170), (365, 49736), (584, 31085), (730, 24868), (1460, 12434), (2920, 6217)]