18945890

素因数分解:

$2^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{6053}}^1$

素因数の和:6373

約数の個数: 16

約数和(自身を含む): 34217208

約数和(自身を除く): 15271318

約数列:

[1, 2, 5, 10, 313, 626, 1565, 3130, 6053, 12106, 30265, 60530, 1894589, 3789178, 9472945, 18945890]

約数ペア:

[(1, 18945890), (2, 9472945), (5, 3789178), (10, 1894589), (313, 60530), (626, 30265), (1565, 12106), (3130, 6053)]