18877976

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{13963}}^1$

素因数の和:13995

約数の個数: 24

約数和(自身を含む): 38331180

約数和(自身を除く): 19453204

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 13963, 27926, 55852, 111704, 181519, 363038, 726076, 1452152, 2359747, 4719494, 9438988, 18877976]

約数ペア:

[(1, 18877976), (2, 9438988), (4, 4719494), (8, 2359747), (13, 1452152), (26, 726076), (52, 363038), (104, 181519), (169, 111704), (338, 55852), (676, 27926), (1352, 13963)]