19807502

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{69257}}^1$

素因数の和:69283

約数の個数: 16

約数和(自身を含む): 34906032

約数和(自身を除く): 15098530

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 69257, 138514, 761827, 900341, 1523654, 1800682, 9903751, 19807502]

約数ペア:

[(1, 19807502), (2, 9903751), (11, 1800682), (13, 1523654), (22, 900341), (26, 761827), (143, 138514), (286, 69257)]