19215671891

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{416257}}^1$

素因数の和:416390

約数の個数: 16

約数和(自身を含む): 21398991264

約数和(自身を除く): 2183319373

約数列:

[1, 13, 53, 67, 689, 871, 3551, 46163, 416257, 5411341, 22061621, 27889219, 286801073, 362559847, 1478128607, 19215671891]

約数ペア:

[(1, 19215671891), (13, 1478128607), (53, 362559847), (67, 286801073), (689, 27889219), (871, 22061621), (3551, 5411341), (46163, 416257)]