19373823

素因数分解:

$3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{727}}^1$

素因数の和:793

約数の個数: 40

約数和(自身を含む): 33825792

約数和(自身を除く): 14451969

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 81, 141, 189, 329, 423, 567, 727, 987, 1269, 2181, 2961, 3807, 5089, 6543, 8883, 15267, 19629, 26649, 34169, 45801, 58887, 102507, 137403, 239183, 307521, 412209, 717549, 922563, 2152647, 2767689, 6457941, 19373823]

約数ペア:

[(1, 19373823), (3, 6457941), (7, 2767689), (9, 2152647), (21, 922563), (27, 717549), (47, 412209), (63, 307521), (81, 239183), (141, 137403), (189, 102507), (329, 58887), (423, 45801), (567, 34169), (727, 26649), (987, 19629), (1269, 15267), (2181, 8883), (2961, 6543), (3807, 5089)]