19819965

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{120121}}^1$

素因数の和:120140

約数の個数: 16

約数和(自身を含む): 34595136

約数和(自身を除く): 14775171

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 120121, 360363, 600605, 1321331, 1801815, 3963993, 6606655, 19819965]

約数ペア:

[(1, 19819965), (3, 6606655), (5, 3963993), (11, 1801815), (15, 1321331), (33, 600605), (55, 360363), (165, 120121)]