18318718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{883}}^1$

素因数の和:960

約数の個数: 32

約数和(自身を含む): 32078592

約数和(自身を除く): 13759874

約数列:

[1, 2, 11, 22, 23, 41, 46, 82, 253, 451, 506, 883, 902, 943, 1766, 1886, 9713, 10373, 19426, 20309, 20746, 36203, 40618, 72406, 223399, 398233, 446798, 796466, 832669, 1665338, 9159359, 18318718]

約数ペア:

[(1, 18318718), (2, 9159359), (11, 1665338), (22, 832669), (23, 796466), (41, 446798), (46, 398233), (82, 223399), (253, 72406), (451, 40618), (506, 36203), (883, 20746), (902, 20309), (943, 19426), (1766, 10373), (1886, 9713)]