19661708

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{1579}}^1$

素因数の和:1877

約数の個数: 24

約数和(自身を含む): 37692480

約数和(自身を除く): 18030772

約数列:

[1, 2, 4, 11, 22, 44, 283, 566, 1132, 1579, 3113, 3158, 6226, 6316, 12452, 17369, 34738, 69476, 446857, 893714, 1787428, 4915427, 9830854, 19661708]

約数ペア:

[(1, 19661708), (2, 9830854), (4, 4915427), (11, 1787428), (22, 893714), (44, 446857), (283, 69476), (566, 34738), (1132, 17369), (1579, 12452), (3113, 6316), (3158, 6226)]