18293979

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{179}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 28339200

約数和(自身を除く): 10045221

約数列:

[1, 3, 11, 19, 33, 57, 163, 179, 209, 489, 537, 627, 1793, 1969, 3097, 3401, 5379, 5907, 9291, 10203, 29177, 34067, 37411, 87531, 102201, 112233, 320947, 554363, 962841, 1663089, 6097993, 18293979]

約数ペア:

[(1, 18293979), (3, 6097993), (11, 1663089), (19, 962841), (33, 554363), (57, 320947), (163, 112233), (179, 102201), (209, 87531), (489, 37411), (537, 34067), (627, 29177), (1793, 10203), (1969, 9291), (3097, 5907), (3401, 5379)]