18681776

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{68683}}^1$

素因数の和:68708

約数の個数: 20

約数和(自身を含む): 38325672

約数和(自身を除く): 19643896

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 68683, 137366, 274732, 549464, 1098928, 1167611, 2335222, 4670444, 9340888, 18681776]

約数ペア:

[(1, 18681776), (2, 9340888), (4, 4670444), (8, 2335222), (16, 1167611), (17, 1098928), (34, 549464), (68, 274732), (136, 137366), (272, 68683)]