18531213

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:353

約数の個数: 24

約数和(自身を含む): 26554176

約数和(自身を除く): 8022963

約数列:

[1, 3, 19, 57, 71, 213, 241, 361, 723, 1083, 1349, 4047, 4579, 13737, 17111, 25631, 51333, 76893, 87001, 261003, 325109, 975327, 6177071, 18531213]

約数ペア:

[(1, 18531213), (3, 6177071), (19, 975327), (57, 325109), (71, 261003), (213, 87001), (241, 76893), (361, 51333), (723, 25631), (1083, 17111), (1349, 13737), (4047, 4579)]