81198172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97127}}^1$

素因数の和:97161

約数の個数: 24

約数和(自身を含む): 163175040

約数和(自身を除く): 81976868

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 97127, 194254, 388508, 1068397, 1845413, 2136794, 3690826, 4273588, 7381652, 20299543, 40599086, 81198172]

約数ペア:

[(1, 81198172), (2, 40599086), (4, 20299543), (11, 7381652), (19, 4273588), (22, 3690826), (38, 2136794), (44, 1845413), (76, 1068397), (209, 388508), (418, 194254), (836, 97127)]