19017425

素因数分解:

$5^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{401}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 27117312

約数和(自身を除く): 8099887

約数列:

[1, 5, 7, 25, 35, 175, 271, 401, 1355, 1897, 2005, 2807, 6775, 9485, 10025, 14035, 47425, 70175, 108671, 543355, 760697, 2716775, 3803485, 19017425]

約数ペア:

[(1, 19017425), (5, 3803485), (7, 2716775), (25, 760697), (35, 543355), (175, 108671), (271, 70175), (401, 47425), (1355, 14035), (1897, 10025), (2005, 9485), (2807, 6775)]