18305745

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1$

素因数の和:433

約数の個数: 32

約数和(自身を含む): 30374784

約数和(自身を除く): 12069039

約数列:

[1, 3, 5, 15, 43, 101, 129, 215, 281, 303, 505, 645, 843, 1405, 1515, 4215, 4343, 12083, 13029, 21715, 28381, 36249, 60415, 65145, 85143, 141905, 181245, 425715, 1220383, 3661149, 6101915, 18305745]

約数ペア:

[(1, 18305745), (3, 6101915), (5, 3661149), (15, 1220383), (43, 425715), (101, 181245), (129, 141905), (215, 85143), (281, 65145), (303, 60415), (505, 36249), (645, 28381), (843, 21715), (1405, 13029), (1515, 12083), (4215, 4343)]