19892235

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3889}}^1$

素因数の和:3939

約数の個数: 32

約数和(自身を含む): 35850240

約数和(自身を除く): 15958005

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 93, 155, 165, 341, 465, 1023, 1705, 3889, 5115, 11667, 19445, 42779, 58335, 120559, 128337, 213895, 361677, 602795, 641685, 1326149, 1808385, 3978447, 6630745, 19892235]

約数ペア:

[(1, 19892235), (3, 6630745), (5, 3978447), (11, 1808385), (15, 1326149), (31, 641685), (33, 602795), (55, 361677), (93, 213895), (155, 128337), (165, 120559), (341, 58335), (465, 42779), (1023, 19445), (1705, 11667), (3889, 5115)]