19760848

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{13877}}^1$

素因数の和:13974

約数の個数: 20

約数和(自身を含む): 38719620

約数和(自身を除く): 18958772

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 13877, 27754, 55508, 111016, 222032, 1235053, 2470106, 4940212, 9880424, 19760848]

約数ペア:

[(1, 19760848), (2, 9880424), (4, 4940212), (8, 2470106), (16, 1235053), (89, 222032), (178, 111016), (356, 55508), (712, 27754), (1424, 13877)]