19221254

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43487}}^1$

素因数の和:43519

約数の個数: 16

約数和(自身を含む): 32876928

約数和(自身を除く): 13655674

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 43487, 86974, 565331, 739279, 1130662, 1478558, 9610627, 19221254]

約数ペア:

[(1, 19221254), (2, 9610627), (13, 1478558), (17, 1130662), (26, 739279), (34, 565331), (221, 86974), (442, 43487)]