19540770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{1013}}^1$

素因数の和:1666

約数の個数: 32

約数和(自身を含む): 47017152

約数和(自身を除く): 27476382

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 643, 1013, 1286, 1929, 2026, 3039, 3215, 3858, 5065, 6078, 6430, 9645, 10130, 15195, 19290, 30390, 651359, 1302718, 1954077, 3256795, 3908154, 6513590, 9770385, 19540770]

約数ペア:

[(1, 19540770), (2, 9770385), (3, 6513590), (5, 3908154), (6, 3256795), (10, 1954077), (15, 1302718), (30, 651359), (643, 30390), (1013, 19290), (1286, 15195), (1929, 10130), (2026, 9645), (3039, 6430), (3215, 6078), (3858, 5065)]