18763719

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{3229}}^1$

素因数の和:3394

約数の個数: 16

約数和(自身を含む): 27132000

約数和(自身を除く): 8368281

約数列:

[1, 3, 13, 39, 149, 447, 1937, 3229, 5811, 9687, 41977, 125931, 481121, 1443363, 6254573, 18763719]

約数ペア:

[(1, 18763719), (3, 6254573), (13, 1443363), (39, 481121), (149, 125931), (447, 41977), (1937, 9687), (3229, 5811)]