19915806

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{195253}}^1$

素因数の和:195275

約数の個数: 16

約数和(自身を含む): 42174864

約数和(自身を除く): 22259058

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 195253, 390506, 585759, 1171518, 3319301, 6638602, 9957903, 19915806]

約数ペア:

[(1, 19915806), (2, 9957903), (3, 6638602), (6, 3319301), (17, 1171518), (34, 585759), (51, 390506), (102, 195253)]