18797597

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{419}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 25401600

約数和(自身を除く): 6604003

約数列:

[1, 7, 13, 17, 29, 91, 119, 203, 221, 377, 419, 493, 1547, 2639, 2933, 3451, 5447, 6409, 7123, 12151, 38129, 44863, 49861, 85057, 92599, 157963, 206567, 648193, 1105741, 1445969, 2685371, 18797597]

約数ペア:

[(1, 18797597), (7, 2685371), (13, 1445969), (17, 1105741), (29, 648193), (91, 206567), (119, 157963), (203, 92599), (221, 85057), (377, 49861), (419, 44863), (493, 38129), (1547, 12151), (2639, 7123), (2933, 6409), (3451, 5447)]