18974380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{55807}}^1$

素因数の和:55833

約数の個数: 24

約数和(自身を含む): 42190848

約数和(自身を除く): 23216468

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 55807, 111614, 223228, 279035, 558070, 948719, 1116140, 1897438, 3794876, 4743595, 9487190, 18974380]

約数ペア:

[(1, 18974380), (2, 9487190), (4, 4743595), (5, 3794876), (10, 1897438), (17, 1116140), (20, 948719), (34, 558070), (68, 279035), (85, 223228), (170, 111614), (340, 55807)]