20186719

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1901}}^1$

素因数の和:1986

約数の個数: 16

約数和(自身を含む): 24284736

約数和(自身を除く): 4098017

約数列:

[1, 7, 37, 41, 259, 287, 1517, 1901, 10619, 13307, 70337, 77941, 492359, 545587, 2883817, 20186719]

約数ペア:

[(1, 20186719), (7, 2883817), (37, 545587), (41, 492359), (259, 77941), (287, 70337), (1517, 13307), (1901, 10619)]