18626770

素因数分解:

$2^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{4243}}^1$

素因数の和:4689

約数の個数: 16

約数和(自身を含む): 33612480

約数和(自身を除く): 14985710

約数列:

[1, 2, 5, 10, 439, 878, 2195, 4243, 4390, 8486, 21215, 42430, 1862677, 3725354, 9313385, 18626770]

約数ペア:

[(1, 18626770), (2, 9313385), (5, 3725354), (10, 1862677), (439, 42430), (878, 21215), (2195, 8486), (4243, 4390)]