18822713

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{2273}}^1$

素因数の和:2313

約数の個数: 18

約数和(自身を含む): 23720094

約数和(自身を除く): 4897381

約数列:

[1, 7, 13, 49, 91, 169, 637, 1183, 2273, 8281, 15911, 29549, 111377, 206843, 384137, 1447901, 2688959, 18822713]

約数ペア:

[(1, 18822713), (7, 2688959), (13, 1447901), (49, 384137), (91, 206843), (169, 111377), (637, 29549), (1183, 15911), (2273, 8281)]