19861213

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{967}}^1$

素因数の和:1056

約数の個数: 16

約数和(自身を含む): 22302720

約数和(自身を除く): 2441507

約数列:

[1, 19, 23, 47, 437, 893, 967, 1081, 18373, 20539, 22241, 45449, 422579, 863531, 1045327, 19861213]

約数ペア:

[(1, 19861213), (19, 1045327), (23, 863531), (47, 422579), (437, 45449), (893, 22241), (967, 20539), (1081, 18373)]