18172835

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{821}}^1$

素因数の和:1078

約数の個数: 16

約数和(自身を含む): 23081760

約数和(自身を除く): 4908925

約数列:

[1, 5, 19, 95, 233, 821, 1165, 4105, 4427, 15599, 22135, 77995, 191293, 956465, 3634567, 18172835]

約数ペア:

[(1, 18172835), (5, 3634567), (19, 956465), (95, 191293), (233, 77995), (821, 22135), (1165, 15599), (4105, 4427)]