19215140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137251}}^1$

素因数の和:137267

約数の個数: 24

約数和(自身を含む): 46116672

約数和(自身を除く): 26901532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 137251, 274502, 549004, 686255, 960757, 1372510, 1921514, 2745020, 3843028, 4803785, 9607570, 19215140]

約数ペア:

[(1, 19215140), (2, 9607570), (4, 4803785), (5, 3843028), (7, 2745020), (10, 1921514), (14, 1372510), (20, 960757), (28, 686255), (35, 549004), (70, 274502), (140, 137251)]