19965105

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1229}}^1$

素因数の和:1278

約数の個数: 36

約数和(自身を含む): 36553140

約数和(自身を除く): 16588035

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 361, 855, 1083, 1229, 1805, 3249, 3687, 5415, 6145, 11061, 16245, 18435, 23351, 55305, 70053, 116755, 210159, 350265, 443669, 1050795, 1331007, 2218345, 3993021, 6655035, 19965105]

約数ペア:

[(1, 19965105), (3, 6655035), (5, 3993021), (9, 2218345), (15, 1331007), (19, 1050795), (45, 443669), (57, 350265), (95, 210159), (171, 116755), (285, 70053), (361, 55305), (855, 23351), (1083, 18435), (1229, 16245), (1805, 11061), (3249, 6145), (3687, 5415)]