19425790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{102241}}^1$

素因数の和:102267

約数の個数: 16

約数和(自身を含む): 36807120

約数和(自身を除く): 17381330

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 102241, 204482, 511205, 1022410, 1942579, 3885158, 9712895, 19425790]

約数ペア:

[(1, 19425790), (2, 9712895), (5, 3885158), (10, 1942579), (19, 1022410), (38, 511205), (95, 204482), (190, 102241)]