18617811121

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{328397}}^1$

素因数の和:328513

約数の個数: 24

約数和(自身を含む): 23585544360

約数和(自身を除く): 4967733239

約数列:

[1, 7, 13, 49, 89, 91, 623, 637, 1157, 4361, 8099, 56693, 328397, 2298779, 4269161, 16091453, 29227333, 29884127, 204591331, 209188889, 379955329, 1432139317, 2659687303, 18617811121]

約数ペア:

[(1, 18617811121), (7, 2659687303), (13, 1432139317), (49, 379955329), (89, 209188889), (91, 204591331), (623, 29884127), (637, 29227333), (1157, 16091453), (4361, 4269161), (8099, 2298779), (56693, 328397)]