18215140

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{5801}}^1$

素因数の和:5967

約数の個数: 24

約数和(自身を含む): 38502072

約数和(自身を除く): 20286932

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 5801, 11602, 23204, 29005, 58010, 116020, 910757, 1821514, 3643028, 4553785, 9107570, 18215140]

約数ペア:

[(1, 18215140), (2, 9107570), (4, 4553785), (5, 3643028), (10, 1821514), (20, 910757), (157, 116020), (314, 58010), (628, 29005), (785, 23204), (1570, 11602), (3140, 5801)]