18876730

素因数分解:

$2^1\times 5^1\times {\mathrm{557}}^1\times {\mathrm{3389}}^1$

素因数の和:3953

約数の個数: 16

約数和(自身を含む): 34049160

約数和(自身を除く): 15172430

約数列:

[1, 2, 5, 10, 557, 1114, 2785, 3389, 5570, 6778, 16945, 33890, 1887673, 3775346, 9438365, 18876730]

約数ペア:

[(1, 18876730), (2, 9438365), (5, 3775346), (10, 1887673), (557, 33890), (1114, 16945), (2785, 6778), (3389, 5570)]