17910980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{30881}}^1$

素因数の和:30919

約数の個数: 24

約数和(自身を含む): 38911320

約数和(自身を除く): 21000340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 30881, 61762, 123524, 154405, 308810, 617620, 895549, 1791098, 3582196, 4477745, 8955490, 17910980]

約数ペア:

[(1, 17910980), (2, 8955490), (4, 4477745), (5, 3582196), (10, 1791098), (20, 895549), (29, 617620), (58, 308810), (116, 154405), (145, 123524), (290, 61762), (580, 30881)]