19537360

素因数分解:

$2^4\times 5^1\times {\mathrm{244217}}^1$

素因数の和:244230

約数の個数: 20

約数和(自身を含む): 45424548

約数和(自身を除く): 25887188

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 244217, 488434, 976868, 1221085, 1953736, 2442170, 3907472, 4884340, 9768680, 19537360]

約数ペア:

[(1, 19537360), (2, 9768680), (4, 4884340), (5, 3907472), (8, 2442170), (10, 1953736), (16, 1221085), (20, 976868), (40, 488434), (80, 244217)]