19672257

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{3797}}^1$

素因数の和:3968

約数の個数: 16

約数和(自身を含む): 28804032

約数和(自身を除く): 9131775

約数列:

[1, 3, 11, 33, 157, 471, 1727, 3797, 5181, 11391, 41767, 125301, 596129, 1788387, 6557419, 19672257]

約数ペア:

[(1, 19672257), (3, 6557419), (11, 1788387), (33, 596129), (157, 125301), (471, 41767), (1727, 11391), (3797, 5181)]