19380842

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{5441}}^1$

素因数の和:5593

約数の個数: 16

約数和(自身を含む): 31541832

約数和(自身を除く): 12160990

約数列:

[1, 2, 13, 26, 137, 274, 1781, 3562, 5441, 10882, 70733, 141466, 745417, 1490834, 9690421, 19380842]

約数ペア:

[(1, 19380842), (2, 9690421), (13, 1490834), (26, 745417), (137, 141466), (274, 70733), (1781, 10882), (3562, 5441)]