19697272

素因数分解:

$2^3\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1667}}^1$

素因数の和:1891

約数の個数: 32

約数和(自身を含む): 42433920

約数和(自身を除く): 22736648

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 211, 422, 844, 1477, 1667, 1688, 2954, 3334, 5908, 6668, 11669, 11816, 13336, 23338, 46676, 93352, 351737, 703474, 1406948, 2462159, 2813896, 4924318, 9848636, 19697272]

約数ペア:

[(1, 19697272), (2, 9848636), (4, 4924318), (7, 2813896), (8, 2462159), (14, 1406948), (28, 703474), (56, 351737), (211, 93352), (422, 46676), (844, 23338), (1477, 13336), (1667, 11816), (1688, 11669), (2954, 6668), (3334, 5908)]