18931569309

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{599}}^1\times {\mathrm{74717}}^1$

素因数の和:75369

約数の個数: 24

約数和(自身を含む): 27974419200

約数和(自身を除く): 9042849891

約数列:

[1, 3, 9, 47, 141, 423, 599, 1797, 5391, 28153, 74717, 84459, 224151, 253377, 672453, 3511699, 10535097, 31605291, 44755483, 134266449, 402799347, 2103507701, 6310523103, 18931569309]

約数ペア:

[(1, 18931569309), (3, 6310523103), (9, 2103507701), (47, 402799347), (141, 134266449), (423, 44755483), (599, 31605291), (1797, 10535097), (5391, 3511699), (28153, 672453), (74717, 253377), (84459, 224151)]