18645430

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1637}}^1$

素因数の和:1728

約数の個数: 32

約数和(自身を含む): 36088416

約数和(自身を除く): 17442986

約数列:

[1, 2, 5, 10, 17, 34, 67, 85, 134, 170, 335, 670, 1139, 1637, 2278, 3274, 5695, 8185, 11390, 16370, 27829, 55658, 109679, 139145, 219358, 278290, 548395, 1096790, 1864543, 3729086, 9322715, 18645430]

約数ペア:

[(1, 18645430), (2, 9322715), (5, 3729086), (10, 1864543), (17, 1096790), (34, 548395), (67, 278290), (85, 219358), (134, 139145), (170, 109679), (335, 55658), (670, 27829), (1139, 16370), (1637, 11390), (2278, 8185), (3274, 5695)]