19431181

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{617}}^1$

素因数の和:1044

約数の個数: 16

約数和(自身を含む): 24324480

約数和(自身を除く): 4893299

約数列:

[1, 7, 11, 77, 409, 617, 2863, 4319, 4499, 6787, 31493, 47509, 252353, 1766471, 2775883, 19431181]

約数ペア:

[(1, 19431181), (7, 2775883), (11, 1766471), (77, 252353), (409, 47509), (617, 31493), (2863, 6787), (4319, 4499)]