18698185

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{617}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 26697600

約数和(自身を除く): 7999415

約数列:

[1, 5, 11, 19, 29, 55, 95, 145, 209, 319, 551, 617, 1045, 1595, 2755, 3085, 6061, 6787, 11723, 17893, 30305, 33935, 58615, 89465, 128953, 196823, 339967, 644765, 984115, 1699835, 3739637, 18698185]

約数ペア:

[(1, 18698185), (5, 3739637), (11, 1699835), (19, 984115), (29, 644765), (55, 339967), (95, 196823), (145, 128953), (209, 89465), (319, 58615), (551, 33935), (617, 30305), (1045, 17893), (1595, 11723), (2755, 6787), (3085, 6061)]