18624385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{821}}^1$

素因数の和:1188

約数の個数: 16

約数和(自身を含む): 24166800

約数和(自身を除く): 5542415

約数列:

[1, 5, 13, 65, 349, 821, 1745, 4105, 4537, 10673, 22685, 53365, 286529, 1432645, 3724877, 18624385]

約数ペア:

[(1, 18624385), (5, 3724877), (13, 1432645), (65, 286529), (349, 53365), (821, 22685), (1745, 10673), (4105, 4537)]