18480635

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{4139}}^1$

素因数の和:4210

約数の個数: 16

約数和(自身を含む): 23846400

約数和(自身を除く): 5365765

約数列:

[1, 5, 19, 47, 95, 235, 893, 4139, 4465, 20695, 78641, 194533, 393205, 972665, 3696127, 18480635]

約数ペア:

[(1, 18480635), (5, 3696127), (19, 972665), (47, 393205), (95, 194533), (235, 78641), (893, 20695), (4139, 4465)]