19931565

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{78163}}^1$

素因数の和:78188

約数の個数: 16

約数和(自身を含む): 33766848

約数和(自身を除く): 13835283

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 78163, 234489, 390815, 1172445, 1328771, 3986313, 6643855, 19931565]

約数ペア:

[(1, 19931565), (3, 6643855), (5, 3986313), (15, 1328771), (17, 1172445), (51, 390815), (85, 234489), (255, 78163)]