1916402225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{19121}}^1$

素因数の和:19361

約数の個数: 24

約数和(自身を含む): 2513395680

約数和(自身を除く): 596993455

約数列:

[1, 5, 19, 25, 95, 211, 475, 1055, 4009, 5275, 19121, 20045, 95605, 100225, 363299, 478025, 1816495, 4034531, 9082475, 20172655, 76656089, 100863275, 383280445, 1916402225]

約数ペア:

[(1, 1916402225), (5, 383280445), (19, 100863275), (25, 76656089), (95, 20172655), (211, 9082475), (475, 4034531), (1055, 1816495), (4009, 478025), (5275, 363299), (19121, 100225), (20045, 95605)]