18689407

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{401}}^1$

素因数の和:654

約数の個数: 16

約数和(自身を含む): 21611520

約数和(自身を除く): 2922113

約数列:

[1, 11, 19, 209, 223, 401, 2453, 4237, 4411, 7619, 46607, 83809, 89423, 983653, 1699037, 18689407]

約数ペア:

[(1, 18689407), (11, 1699037), (19, 983653), (209, 89423), (223, 83809), (401, 46607), (2453, 7619), (4237, 4411)]