18819876

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{233}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 45287424

約数和(自身を除く): 26467548

約数列:

[1, 2, 3, 4, 6, 12, 53, 106, 127, 159, 212, 233, 254, 318, 381, 466, 508, 636, 699, 762, 932, 1398, 1524, 2796, 6731, 12349, 13462, 20193, 24698, 26924, 29591, 37047, 40386, 49396, 59182, 74094, 80772, 88773, 118364, 148188, 177546, 355092, 1568323, 3136646, 4704969, 6273292, 9409938, 18819876]

約数ペア:

[(1, 18819876), (2, 9409938), (3, 6273292), (4, 4704969), (6, 3136646), (12, 1568323), (53, 355092), (106, 177546), (127, 148188), (159, 118364), (212, 88773), (233, 80772), (254, 74094), (318, 59182), (381, 49396), (466, 40386), (508, 37047), (636, 29591), (699, 26924), (762, 24698), (932, 20193), (1398, 13462), (1524, 12349), (2796, 6731)]