18080262925

素因数分解:

$5^2\times {\mathrm{127}}^1\times {\mathrm{389}}^1\times {\mathrm{14639}}^1$

素因数の和:15165

約数の個数: 24

約数和(自身を含む): 22655692800

約数和(自身を除く): 4575429875

約数列:

[1, 5, 25, 127, 389, 635, 1945, 3175, 9725, 14639, 49403, 73195, 247015, 365975, 1235075, 1859153, 5694571, 9295765, 28472855, 46478825, 142364275, 723210517, 3616052585, 18080262925]

約数ペア:

[(1, 18080262925), (5, 3616052585), (25, 723210517), (127, 142364275), (389, 46478825), (635, 28472855), (1945, 9295765), (3175, 5694571), (9725, 1859153), (14639, 1235075), (49403, 365975), (73195, 247015)]