18508727991

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{653}}^1\times {\mathrm{4201}}^1$

素因数の和:5043

約数の個数: 32

約数和(自身を含む): 26777564352

約数和(自身を除く): 8268836361

約数列:

[1, 3, 13, 39, 173, 519, 653, 1959, 2249, 4201, 6747, 8489, 12603, 25467, 54613, 112969, 163839, 338907, 726773, 1468597, 2180319, 2743253, 4405791, 8229759, 9448049, 28344147, 35662289, 106986867, 474582769, 1423748307, 6169575997, 18508727991]

約数ペア:

[(1, 18508727991), (3, 6169575997), (13, 1423748307), (39, 474582769), (173, 106986867), (519, 35662289), (653, 28344147), (1959, 9448049), (2249, 8229759), (4201, 4405791), (6747, 2743253), (8489, 2180319), (12603, 1468597), (25467, 726773), (54613, 338907), (112969, 163839)]