19861498

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{27509}}^1$

素因数の和:27549

約数の個数: 12

約数和(自身を含む): 31443930

約数和(自身を除く): 11582432

約数列:

[1, 2, 19, 38, 361, 722, 27509, 55018, 522671, 1045342, 9930749, 19861498]

約数ペア:

[(1, 19861498), (2, 9930749), (19, 1045342), (38, 522671), (361, 55018), (722, 27509)]