18430390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1279}}^1$

素因数の和:1428

約数の個数: 32

約数和(自身を含む): 36495360

約数和(自身を除く): 18064970

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 131, 262, 655, 1279, 1310, 1441, 2558, 2882, 6395, 7205, 12790, 14069, 14410, 28138, 70345, 140690, 167549, 335098, 837745, 1675490, 1843039, 3686078, 9215195, 18430390]

約数ペア:

[(1, 18430390), (2, 9215195), (5, 3686078), (10, 1843039), (11, 1675490), (22, 837745), (55, 335098), (110, 167549), (131, 140690), (262, 70345), (655, 28138), (1279, 14410), (1310, 14069), (1441, 12790), (2558, 7205), (2882, 6395)]