18716139

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{461}}^1$

素因数の和:827

約数の個数: 24

約数和(自身を含む): 29261232

約数和(自身を除く): 10545093

約数列:

[1, 3, 9, 13, 39, 117, 347, 461, 1041, 1383, 3123, 4149, 4511, 5993, 13533, 17979, 40599, 53937, 159967, 479901, 1439703, 2079571, 6238713, 18716139]

約数ペア:

[(1, 18716139), (3, 6238713), (9, 2079571), (13, 1439703), (39, 479901), (117, 159967), (347, 53937), (461, 40599), (1041, 17979), (1383, 13533), (3123, 5993), (4149, 4511)]