123661918

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1\times {\mathrm{313}}^1$

素因数の和:652

約数の個数: 32

約数和(自身を含む): 201889440

約数和(自身を除く): 78227522

約数列:

[1, 2, 19, 37, 38, 74, 281, 313, 562, 626, 703, 1406, 5339, 5947, 10397, 10678, 11581, 11894, 20794, 23162, 87953, 175906, 197543, 220039, 395086, 440078, 1671107, 3254261, 3342214, 6508522, 61830959, 123661918]

約数ペア:

[(1, 123661918), (2, 61830959), (19, 6508522), (37, 3342214), (38, 3254261), (74, 1671107), (281, 440078), (313, 395086), (562, 220039), (626, 197543), (703, 175906), (1406, 87953), (5339, 23162), (5947, 20794), (10397, 11894), (10678, 11581)]