19842578

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{13003}}^1$

素因数の和:13121

約数の個数: 16

約数和(自身を含む): 34330560

約数和(自身を除く): 14487982

約数列:

[1, 2, 7, 14, 109, 218, 763, 1526, 13003, 26006, 91021, 182042, 1417327, 2834654, 9921289, 19842578]

約数ペア:

[(1, 19842578), (2, 9921289), (7, 2834654), (14, 1417327), (109, 182042), (218, 91021), (763, 26006), (1526, 13003)]