18427358

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1\times {\mathrm{661}}^1$

素因数の和:979

約数の個数: 16

約数和(自身を含む): 28312416

約数和(自身を除く): 9885058

約数列:

[1, 2, 53, 106, 263, 526, 661, 1322, 13939, 27878, 35033, 70066, 173843, 347686, 9213679, 18427358]

約数ペア:

[(1, 18427358), (2, 9213679), (53, 347686), (106, 173843), (263, 70066), (526, 35033), (661, 27878), (1322, 13939)]