18741866

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3449}}^1$

素因数の和:3494

約数の個数: 32

約数和(自身を含む): 34776000

約数和(自身を除く): 16034134

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 143, 209, 247, 286, 418, 494, 2717, 3449, 5434, 6898, 37939, 44837, 65531, 75878, 89674, 131062, 493207, 720841, 851903, 986414, 1441682, 1703806, 9370933, 18741866]

約数ペア:

[(1, 18741866), (2, 9370933), (11, 1703806), (13, 1441682), (19, 986414), (22, 851903), (26, 720841), (38, 493207), (143, 131062), (209, 89674), (247, 75878), (286, 65531), (418, 44837), (494, 37939), (2717, 6898), (3449, 5434)]