18196815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13331}}^1$

素因数の和:13359

約数の個数: 32

約数和(自身を含む): 35836416

約数和(自身を除く): 17639601

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 13331, 39993, 66655, 93317, 173303, 199965, 279951, 466585, 519909, 866515, 1213121, 1399755, 2599545, 3639363, 6065605, 18196815]

約数ペア:

[(1, 18196815), (3, 6065605), (5, 3639363), (7, 2599545), (13, 1399755), (15, 1213121), (21, 866515), (35, 519909), (39, 466585), (65, 279951), (91, 199965), (105, 173303), (195, 93317), (273, 66655), (455, 39993), (1365, 13331)]