18981222

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{6577}}^1$

素因数の和:6632

約数の個数: 32

約数和(自身を含む): 41993952

約数和(自身を除く): 23012730

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 481, 962, 1443, 2886, 6577, 13154, 19731, 39462, 85501, 171002, 243349, 256503, 486698, 513006, 730047, 1460094, 3163537, 6327074, 9490611, 18981222]

約数ペア:

[(1, 18981222), (2, 9490611), (3, 6327074), (6, 3163537), (13, 1460094), (26, 730047), (37, 513006), (39, 486698), (74, 256503), (78, 243349), (111, 171002), (222, 85501), (481, 39462), (962, 19731), (1443, 13154), (2886, 6577)]