19516401

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1871}}^1$

素因数の和:1957

約数の個数: 24

約数和(自身を含む): 30176640

約数和(自身を除く): 10660239

約数列:

[1, 3, 9, 19, 57, 61, 171, 183, 549, 1159, 1871, 3477, 5613, 10431, 16839, 35549, 106647, 114131, 319941, 342393, 1027179, 2168489, 6505467, 19516401]

約数ペア:

[(1, 19516401), (3, 6505467), (9, 2168489), (19, 1027179), (57, 342393), (61, 319941), (171, 114131), (183, 106647), (549, 35549), (1159, 16839), (1871, 10431), (3477, 5613)]