18930505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{701}}^1$

素因数の和:1208

約数の個数: 16

約数和(自身を含む): 24867648

約数和(自身を除く): 5937143

約数列:

[1, 5, 11, 55, 491, 701, 2455, 3505, 5401, 7711, 27005, 38555, 344191, 1720955, 3786101, 18930505]

約数ペア:

[(1, 18930505), (5, 3786101), (11, 1720955), (55, 344191), (491, 38555), (701, 27005), (2455, 7711), (3505, 5401)]