18028941

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{229}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 28968960

約数和(自身を除く): 10940019

約数列:

[1, 3, 7, 21, 23, 69, 161, 163, 229, 483, 489, 687, 1141, 1603, 3423, 3749, 4809, 5267, 11247, 15801, 26243, 36869, 37327, 78729, 110607, 111981, 261289, 783867, 858521, 2575563, 6009647, 18028941]

約数ペア:

[(1, 18028941), (3, 6009647), (7, 2575563), (21, 858521), (23, 783867), (69, 261289), (161, 111981), (163, 110607), (229, 78729), (483, 37327), (489, 36869), (687, 26243), (1141, 15801), (1603, 11247), (3423, 5267), (3749, 4809)]