18789849

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3917}}^1$

素因数の和:3977

約数の個数: 24

約数和(自身を含む): 29949192

約数和(自身を除く): 11159343

約数列:

[1, 3, 9, 13, 39, 41, 117, 123, 369, 533, 1599, 3917, 4797, 11751, 35253, 50921, 152763, 160597, 458289, 481791, 1445373, 2087761, 6263283, 18789849]

約数ペア:

[(1, 18789849), (3, 6263283), (9, 2087761), (13, 1445373), (39, 481791), (41, 458289), (117, 160597), (123, 152763), (369, 50921), (533, 35253), (1599, 11751), (3917, 4797)]