19702444

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{647}}^1$

素因数の和:1005

約数の個数: 24

約数和(自身を含む): 36142848

約数和(自身を除く): 16440404

約数列:

[1, 2, 4, 23, 46, 92, 331, 647, 662, 1294, 1324, 2588, 7613, 14881, 15226, 29762, 30452, 59524, 214157, 428314, 856628, 4925611, 9851222, 19702444]

約数ペア:

[(1, 19702444), (2, 9851222), (4, 4925611), (23, 856628), (46, 428314), (92, 214157), (331, 59524), (647, 30452), (662, 29762), (1294, 15226), (1324, 14881), (2588, 7613)]