19961020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{52529}}^1$

素因数の和:52557

約数の個数: 24

約数和(自身を含む): 44125200

約数和(自身を除く): 24164180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 52529, 105058, 210116, 262645, 525290, 998051, 1050580, 1996102, 3992204, 4990255, 9980510, 19961020]

約数ペア:

[(1, 19961020), (2, 9980510), (4, 4990255), (5, 3992204), (10, 1996102), (19, 1050580), (20, 998051), (38, 525290), (76, 262645), (95, 210116), (190, 105058), (380, 52529)]