19970140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{52553}}^1$

素因数の和:52581

約数の個数: 24

約数和(自身を含む): 44145360

約数和(自身を除く): 24175220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 52553, 105106, 210212, 262765, 525530, 998507, 1051060, 1997014, 3994028, 4992535, 9985070, 19970140]

約数ペア:

[(1, 19970140), (2, 9985070), (4, 4992535), (5, 3994028), (10, 1997014), (19, 1051060), (20, 998507), (38, 525530), (76, 262765), (95, 210212), (190, 105106), (380, 52553)]