1801988518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1\times {\mathrm{4127}}^1$

素因数の和:4452

約数の個数: 32

約数和(自身を含む): 2995937280

約数和(自身を除く): 1193948762

約数列:

[1, 2, 11, 22, 89, 178, 223, 446, 979, 1958, 2453, 4127, 4906, 8254, 19847, 39694, 45397, 90794, 218317, 367303, 436634, 734606, 920321, 1840642, 4040333, 8080666, 10123531, 20247062, 81908569, 163817138, 900994259, 1801988518]

約数ペア:

[(1, 1801988518), (2, 900994259), (11, 163817138), (22, 81908569), (89, 20247062), (178, 10123531), (223, 8080666), (446, 4040333), (979, 1840642), (1958, 920321), (2453, 734606), (4127, 436634), (4906, 367303), (8254, 218317), (19847, 90794), (39694, 45397)]