19942268

素因数分解:

$2^2\times {\mathrm{137}}^1\times {\mathrm{151}}^1\times {\mathrm{241}}^1$

素因数の和:533

約数の個数: 24

約数和(自身を含む): 35533344

約数和(自身を除く): 15591076

約数列:

[1, 2, 4, 137, 151, 241, 274, 302, 482, 548, 604, 964, 20687, 33017, 36391, 41374, 66034, 72782, 82748, 132068, 145564, 4985567, 9971134, 19942268]

約数ペア:

[(1, 19942268), (2, 9971134), (4, 4985567), (137, 145564), (151, 132068), (241, 82748), (274, 72782), (302, 66034), (482, 41374), (548, 36391), (604, 33017), (964, 20687)]