19787966

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{337}}^1$

素因数の和:524

約数の個数: 32

約数和(自身を含む): 34605792

約数和(自身を除く): 14817826

約数列:

[1, 2, 11, 17, 22, 34, 157, 187, 314, 337, 374, 674, 1727, 2669, 3454, 3707, 5338, 5729, 7414, 11458, 29359, 52909, 58718, 63019, 105818, 126038, 581999, 899453, 1163998, 1798906, 9893983, 19787966]

約数ペア:

[(1, 19787966), (2, 9893983), (11, 1798906), (17, 1163998), (22, 899453), (34, 581999), (157, 126038), (187, 105818), (314, 63019), (337, 58718), (374, 52909), (674, 29359), (1727, 11458), (2669, 7414), (3454, 5729), (3707, 5338)]