19798700

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{5351}}^1$

素因数の和:5402

約数の個数: 36

約数和(自身を含む): 44132592

約数和(自身を除く): 24333892

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 148, 185, 370, 740, 925, 1850, 3700, 5351, 10702, 21404, 26755, 53510, 107020, 133775, 197987, 267550, 395974, 535100, 791948, 989935, 1979870, 3959740, 4949675, 9899350, 19798700]

約数ペア:

[(1, 19798700), (2, 9899350), (4, 4949675), (5, 3959740), (10, 1979870), (20, 989935), (25, 791948), (37, 535100), (50, 395974), (74, 267550), (100, 197987), (148, 133775), (185, 107020), (370, 53510), (740, 26755), (925, 21404), (1850, 10702), (3700, 5351)]