17618996

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{443}}^1$

素因数の和:671

約数の個数: 24

約数和(自身を含む): 31602144

約数和(自身を除く): 13983148

約数列:

[1, 2, 4, 61, 122, 163, 244, 326, 443, 652, 886, 1772, 9943, 19886, 27023, 39772, 54046, 72209, 108092, 144418, 288836, 4404749, 8809498, 17618996]

約数ペア:

[(1, 17618996), (2, 8809498), (4, 4404749), (61, 288836), (122, 144418), (163, 108092), (244, 72209), (326, 54046), (443, 39772), (652, 27023), (886, 19886), (1772, 9943)]