18980091

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5233}}^1$

素因数の和:5283

約数の個数: 24

約数和(自身を含む): 30482816

約数和(自身を除く): 11502725

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 1209, 3627, 5233, 15699, 47097, 68029, 162223, 204087, 486669, 612261, 1460007, 2108899, 6326697, 18980091]

約数ペア:

[(1, 18980091), (3, 6326697), (9, 2108899), (13, 1460007), (31, 612261), (39, 486669), (93, 204087), (117, 162223), (279, 68029), (403, 47097), (1209, 15699), (3627, 5233)]