18722458

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{7507}}^1$

素因数の和:7581

約数の個数: 16

約数和(自身を含む): 29731680

約数和(自身を除く): 11009222

約数列:

[1, 2, 29, 43, 58, 86, 1247, 2494, 7507, 15014, 217703, 322801, 435406, 645602, 9361229, 18722458]

約数ペア:

[(1, 18722458), (2, 9361229), (29, 645602), (43, 435406), (58, 322801), (86, 217703), (1247, 15014), (2494, 7507)]