19999172

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{733}}^1$

素因数の和:1115

約数の個数: 24

約数和(自身を含む): 36993600

約数和(自身を除く): 16994428

約数列:

[1, 2, 4, 19, 38, 76, 359, 718, 733, 1436, 1466, 2932, 6821, 13642, 13927, 27284, 27854, 55708, 263147, 526294, 1052588, 4999793, 9999586, 19999172]

約数ペア:

[(1, 19999172), (2, 9999586), (4, 4999793), (19, 1052588), (38, 526294), (76, 263147), (359, 55708), (718, 27854), (733, 27284), (1436, 13927), (1466, 13642), (2932, 6821)]