19940338

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{547}}^1\times {\mathrm{1657}}^1$

素因数の和:2217

約数の個数: 16

約数和(自身を含む): 32709024

約数和(自身を除く): 12768686

約数列:

[1, 2, 11, 22, 547, 1094, 1657, 3314, 6017, 12034, 18227, 36454, 906379, 1812758, 9970169, 19940338]

約数ペア:

[(1, 19940338), (2, 9970169), (11, 1812758), (22, 906379), (547, 36454), (1094, 18227), (1657, 12034), (3314, 6017)]