398465188

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{476633}}^1$

素因数の和:476667

約数の個数: 24

約数和(自身を含む): 800745120

約数和(自身を除く): 402279932

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 476633, 953266, 1906532, 5242963, 9056027, 10485926, 18112054, 20971852, 36224108, 99616297, 199232594, 398465188]

約数ペア:

[(1, 398465188), (2, 199232594), (4, 99616297), (11, 36224108), (19, 20971852), (22, 18112054), (38, 10485926), (44, 9056027), (76, 5242963), (209, 1906532), (418, 953266), (836, 476633)]