18695139

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{4903}}^1$

素因数の和:4978

約数の個数: 16

約数和(自身を含む): 26363904

約数和(自身を除く): 7668765

約数列:

[1, 3, 31, 41, 93, 123, 1271, 3813, 4903, 14709, 151993, 201023, 455979, 603069, 6231713, 18695139]

約数ペア:

[(1, 18695139), (3, 6231713), (31, 603069), (41, 455979), (93, 201023), (123, 151993), (1271, 14709), (3813, 4903)]