18319048

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2339}}^1$

素因数の和:2445

約数の個数: 32

約数和(自身を含む): 37908000

約数和(自身を除く): 19588952

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 89, 178, 356, 712, 979, 1958, 2339, 3916, 4678, 7832, 9356, 18712, 25729, 51458, 102916, 205832, 208171, 416342, 832684, 1665368, 2289881, 4579762, 9159524, 18319048]

約数ペア:

[(1, 18319048), (2, 9159524), (4, 4579762), (8, 2289881), (11, 1665368), (22, 832684), (44, 416342), (88, 208171), (89, 205832), (178, 102916), (356, 51458), (712, 25729), (979, 18712), (1958, 9356), (2339, 7832), (3916, 4678)]