18981526

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1\times {\mathrm{541}}^1$

素因数の和:927

約数の個数: 16

約数和(自身を含む): 29150928

約数和(自身を除く): 10169402

約数列:

[1, 2, 53, 106, 331, 541, 662, 1082, 17543, 28673, 35086, 57346, 179071, 358142, 9490763, 18981526]

約数ペア:

[(1, 18981526), (2, 9490763), (53, 358142), (106, 179071), (331, 57346), (541, 35086), (662, 28673), (1082, 17543)]