19339515

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2543}}^1$

素因数の和:2580

約数の個数: 36

約数和(自身を含む): 36313056

約数和(自身を除く): 16973541

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 169, 195, 507, 585, 845, 1521, 2535, 2543, 7605, 7629, 12715, 22887, 33059, 38145, 99177, 114435, 165295, 297531, 429767, 495885, 1289301, 1487655, 2148835, 3867903, 6446505, 19339515]

約数ペア:

[(1, 19339515), (3, 6446505), (5, 3867903), (9, 2148835), (13, 1487655), (15, 1289301), (39, 495885), (45, 429767), (65, 297531), (117, 165295), (169, 114435), (195, 99177), (507, 38145), (585, 33059), (845, 22887), (1521, 12715), (2535, 7629), (2543, 7605)]