18235693

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:397

約数の個数: 24

約数和(自身を含む): 22551480

約数和(自身を除く): 4315787

約数列:

[1, 7, 29, 41, 49, 203, 287, 313, 1189, 1421, 2009, 2191, 8323, 9077, 12833, 15337, 58261, 63539, 89831, 372157, 444773, 628817, 2605099, 18235693]

約数ペア:

[(1, 18235693), (7, 2605099), (29, 628817), (41, 444773), (49, 372157), (203, 89831), (287, 63539), (313, 58261), (1189, 15337), (1421, 12833), (2009, 9077), (2191, 8323)]