19820637

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{163}}^1\times {\mathrm{229}}^1$

素因数の和:457

約数の個数: 24

約数和(自身を含む): 29421600

約数和(自身を除く): 9600963

約数列:

[1, 3, 9, 59, 163, 177, 229, 489, 531, 687, 1467, 2061, 9617, 13511, 28851, 37327, 40533, 86553, 111981, 121599, 335943, 2202293, 6606879, 19820637]

約数ペア:

[(1, 19820637), (3, 6606879), (9, 2202293), (59, 335943), (163, 121599), (177, 111981), (229, 86553), (489, 40533), (531, 37327), (687, 28851), (1467, 13511), (2061, 9617)]