19476980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{33581}}^1$

素因数の和:33619

約数の個数: 24

約数和(自身を含む): 42313320

約数和(自身を除く): 22836340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 33581, 67162, 134324, 167905, 335810, 671620, 973849, 1947698, 3895396, 4869245, 9738490, 19476980]

約数ペア:

[(1, 19476980), (2, 9738490), (4, 4869245), (5, 3895396), (10, 1947698), (20, 973849), (29, 671620), (58, 335810), (116, 167905), (145, 134324), (290, 67162), (580, 33581)]