19897160

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{8431}}^1$

素因数の和:8501

約数の個数: 32

約数和(自身を含む): 45532800

約数和(自身を除く): 25635640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 8431, 16862, 33724, 42155, 67448, 84310, 168620, 337240, 497429, 994858, 1989716, 2487145, 3979432, 4974290, 9948580, 19897160]

約数ペア:

[(1, 19897160), (2, 9948580), (4, 4974290), (5, 3979432), (8, 2487145), (10, 1989716), (20, 994858), (40, 497429), (59, 337240), (118, 168620), (236, 84310), (295, 67448), (472, 42155), (590, 33724), (1180, 16862), (2360, 8431)]