17990962

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:378

約数の個数: 32

約数和(自身を含む): 30818880

約数和(自身を除く): 12827918

約数列:

[1, 2, 11, 22, 29, 58, 163, 173, 319, 326, 346, 638, 1793, 1903, 3586, 3806, 4727, 5017, 9454, 10034, 28199, 51997, 55187, 56398, 103994, 110374, 310189, 620378, 817771, 1635542, 8995481, 17990962]

約数ペア:

[(1, 17990962), (2, 8995481), (11, 1635542), (22, 817771), (29, 620378), (58, 310189), (163, 110374), (173, 103994), (319, 56398), (326, 55187), (346, 51997), (638, 28199), (1793, 10034), (1903, 9454), (3586, 5017), (3806, 4727)]