19624780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{140177}}^1$

素因数の和:140193

約数の個数: 24

約数和(自身を含む): 47099808

約数和(自身を除く): 27475028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 140177, 280354, 560708, 700885, 981239, 1401770, 1962478, 2803540, 3924956, 4906195, 9812390, 19624780]

約数ペア:

[(1, 19624780), (2, 9812390), (4, 4906195), (5, 3924956), (7, 2803540), (10, 1962478), (14, 1401770), (20, 981239), (28, 700885), (35, 560708), (70, 280354), (140, 140177)]