18842787

素因数分解:

$3^4\times {\mathrm{353}}^1\times {\mathrm{659}}^1$

素因数の和:1024

約数の個数: 20

約数和(自身を含む): 28270440

約数和(自身を除く): 9427653

約数列:

[1, 3, 9, 27, 81, 353, 659, 1059, 1977, 3177, 5931, 9531, 17793, 28593, 53379, 232627, 697881, 2093643, 6280929, 18842787]

約数ペア:

[(1, 18842787), (3, 6280929), (9, 2093643), (27, 697881), (81, 232627), (353, 53379), (659, 28593), (1059, 17793), (1977, 9531), (3177, 5931)]