19655271

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1021}}^1$

素因数の和:1084

約数の個数: 32

約数和(自身を含む): 31395840

約数和(自身を除く): 11740569

約数列:

[1, 3, 9, 23, 27, 31, 69, 93, 207, 279, 621, 713, 837, 1021, 2139, 3063, 6417, 9189, 19251, 23483, 27567, 31651, 70449, 94953, 211347, 284859, 634041, 727973, 854577, 2183919, 6551757, 19655271]

約数ペア:

[(1, 19655271), (3, 6551757), (9, 2183919), (23, 854577), (27, 727973), (31, 634041), (69, 284859), (93, 211347), (207, 94953), (279, 70449), (621, 31651), (713, 27567), (837, 23483), (1021, 19251), (2139, 9189), (3063, 6417)]