18910155

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3697}}^1$

素因数の和:3747

約数の個数: 32

約数和(自身を含む): 34080768

約数和(自身を除く): 15170613

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 93, 155, 165, 341, 465, 1023, 1705, 3697, 5115, 11091, 18485, 40667, 55455, 114607, 122001, 203335, 343821, 573035, 610005, 1260677, 1719105, 3782031, 6303385, 18910155]

約数ペア:

[(1, 18910155), (3, 6303385), (5, 3782031), (11, 1719105), (15, 1260677), (31, 610005), (33, 573035), (55, 343821), (93, 203335), (155, 122001), (165, 114607), (341, 55455), (465, 40667), (1023, 18485), (1705, 11091), (3697, 5115)]