18620301

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{6379}}^1$

素因数の和:6528

約数の個数: 16

約数和(自身を含む): 28582400

約数和(自身を除く): 9962099

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 6379, 19137, 44653, 133959, 886681, 2660043, 6206767, 18620301]

約数ペア:

[(1, 18620301), (3, 6206767), (7, 2660043), (21, 886681), (139, 133959), (417, 44653), (973, 19137), (2919, 6379)]