19626939

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{541}}^1$

素因数の和:715

約数の個数: 24

約数和(自身を含む): 29593200

約数和(自身を除く): 9966261

約数列:

[1, 3, 9, 29, 87, 139, 261, 417, 541, 1251, 1623, 4031, 4869, 12093, 15689, 36279, 47067, 75199, 141201, 225597, 676791, 2180771, 6542313, 19626939]

約数ペア:

[(1, 19626939), (3, 6542313), (9, 2180771), (29, 676791), (87, 225597), (139, 141201), (261, 75199), (417, 47067), (541, 36279), (1251, 15689), (1623, 12093), (4031, 4869)]