20190939

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{5807}}^1$

素因数の和:5890

約数の個数: 16

約数和(自身を含む): 28807680

約数和(自身を除く): 8616741

約数列:

[1, 3, 19, 57, 61, 183, 1159, 3477, 5807, 17421, 110333, 330999, 354227, 1062681, 6730313, 20190939]

約数ペア:

[(1, 20190939), (3, 6730313), (19, 1062681), (57, 354227), (61, 330999), (183, 110333), (1159, 17421), (3477, 5807)]