18915128

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{173}}^2$

素因数の和:431

約数の個数: 24

約数和(自身を含む): 36123600

約数和(自身を除く): 17208472

約数列:

[1, 2, 4, 8, 79, 158, 173, 316, 346, 632, 692, 1384, 13667, 27334, 29929, 54668, 59858, 109336, 119716, 239432, 2364391, 4728782, 9457564, 18915128]

約数ペア:

[(1, 18915128), (2, 9457564), (4, 4728782), (8, 2364391), (79, 239432), (158, 119716), (173, 109336), (316, 59858), (346, 54668), (632, 29929), (692, 27334), (1384, 13667)]