18817486

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:496

約数の個数: 24

約数和(自身を含む): 30312360

約数和(自身を除く): 11494874

約数列:

[1, 2, 19, 38, 67, 134, 361, 389, 722, 778, 1273, 2546, 7391, 14782, 24187, 26063, 48374, 52126, 140429, 280858, 495197, 990394, 9408743, 18817486]

約数ペア:

[(1, 18817486), (2, 9408743), (19, 990394), (38, 495197), (67, 280858), (134, 140429), (361, 52126), (389, 48374), (722, 26063), (778, 24187), (1273, 14782), (2546, 7391)]