18616371

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{6949}}^1$

素因数の和:7018

約数の個数: 16

約数和(自身を含む): 26688000

約数和(自身を除く): 8071629

約数列:

[1, 3, 19, 47, 57, 141, 893, 2679, 6949, 20847, 132031, 326603, 396093, 979809, 6205457, 18616371]

約数ペア:

[(1, 18616371), (3, 6205457), (19, 979809), (47, 396093), (57, 326603), (141, 132031), (893, 20847), (2679, 6949)]