19939075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3229}}^1$

素因数の和:3271

約数の個数: 24

約数和(自身を含む): 28036400

約数和(自身を除く): 8097325

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 475, 1235, 3229, 6175, 16145, 41977, 61351, 80725, 209885, 306755, 797563, 1049425, 1533775, 3987815, 19939075]

約数ペア:

[(1, 19939075), (5, 3987815), (13, 1533775), (19, 1049425), (25, 797563), (65, 306755), (95, 209885), (247, 80725), (325, 61351), (475, 41977), (1235, 16145), (3229, 6175)]