20188223

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{811}}^1$

素因数の和:926

約数の個数: 16

約数和(自身を含む): 23073792

約数和(自身を除く): 2885569

約数列:

[1, 11, 31, 73, 341, 803, 811, 2263, 8921, 24893, 25141, 59203, 276551, 651233, 1835293, 20188223]

約数ペア:

[(1, 20188223), (11, 1835293), (31, 651233), (73, 276551), (341, 59203), (803, 25141), (811, 24893), (2263, 8921)]