19804250

素因数分解:

$2^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{2141}}^1$

素因数の和:2195

約数の個数: 32

約数和(自身を含む): 38093328

約数和(自身を除く): 18289078

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 125, 185, 250, 370, 925, 1850, 2141, 4282, 4625, 9250, 10705, 21410, 53525, 79217, 107050, 158434, 267625, 396085, 535250, 792170, 1980425, 3960850, 9902125, 19804250]

約数ペア:

[(1, 19804250), (2, 9902125), (5, 3960850), (10, 1980425), (25, 792170), (37, 535250), (50, 396085), (74, 267625), (125, 158434), (185, 107050), (250, 79217), (370, 53525), (925, 21410), (1850, 10705), (2141, 9250), (4282, 4625)]