18543413

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:341

約数の個数: 24

約数和(自身を含む): 23158872

約数和(自身を除く): 4615459

約数列:

[1, 7, 17, 49, 113, 119, 197, 791, 833, 1379, 1921, 3349, 5537, 9653, 13447, 22261, 23443, 94129, 155827, 164101, 378437, 1090789, 2649059, 18543413]

約数ペア:

[(1, 18543413), (7, 2649059), (17, 1090789), (49, 378437), (113, 164101), (119, 155827), (197, 94129), (791, 23443), (833, 22261), (1379, 13447), (1921, 9653), (3349, 5537)]