19640686

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{2383}}^1$

素因数の和:2715

約数の個数: 16

約数和(自身を含む): 31840704

約数和(自身を除く): 12200018

約数列:

[1, 2, 13, 26, 317, 634, 2383, 4121, 4766, 8242, 30979, 61958, 755411, 1510822, 9820343, 19640686]

約数ペア:

[(1, 19640686), (2, 9820343), (13, 1510822), (26, 755411), (317, 61958), (634, 30979), (2383, 8242), (4121, 4766)]