18850377

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2381}}^1$

素因数の和:2433

約数の個数: 32

約数和(自身を含む): 32014080

約数和(自身を除く): 13163703

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 1131, 2381, 2639, 7143, 7917, 16667, 30953, 50001, 69049, 92859, 207147, 216671, 483343, 650013, 897637, 1450029, 2692911, 6283459, 18850377]

約数ペア:

[(1, 18850377), (3, 6283459), (7, 2692911), (13, 1450029), (21, 897637), (29, 650013), (39, 483343), (87, 216671), (91, 207147), (203, 92859), (273, 69049), (377, 50001), (609, 30953), (1131, 16667), (2381, 7917), (2639, 7143)]