18856588

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{5279}}^1$

素因数の和:5349

約数の個数: 24

約数和(自身を含む): 35481600

約数和(自身を除く): 16625012

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 188, 893, 1786, 3572, 5279, 10558, 21116, 100301, 200602, 248113, 401204, 496226, 992452, 4714147, 9428294, 18856588]

約数ペア:

[(1, 18856588), (2, 9428294), (4, 4714147), (19, 992452), (38, 496226), (47, 401204), (76, 248113), (94, 200602), (188, 100301), (893, 21116), (1786, 10558), (3572, 5279)]