18381530

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{419}}^1$

素因数の和:574

約数の個数: 32

約数和(自身を含む): 34292160

約数和(自身を除く): 15910630

約数列:

[1, 2, 5, 10, 41, 82, 107, 205, 214, 410, 419, 535, 838, 1070, 2095, 4190, 4387, 8774, 17179, 21935, 34358, 43870, 44833, 85895, 89666, 171790, 224165, 448330, 1838153, 3676306, 9190765, 18381530]

約数ペア:

[(1, 18381530), (2, 9190765), (5, 3676306), (10, 1838153), (41, 448330), (82, 224165), (107, 171790), (205, 89666), (214, 85895), (410, 44833), (419, 43870), (535, 34358), (838, 21935), (1070, 17179), (2095, 8774), (4190, 4387)]