18618430

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{4643}}^1$

素因数の和:5051

約数の個数: 16

約数和(自身を含む): 33603984

約数和(自身を除く): 14985554

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 4643, 9286, 23215, 46430, 1861843, 3723686, 9309215, 18618430]

約数ペア:

[(1, 18618430), (2, 9309215), (5, 3723686), (10, 1861843), (401, 46430), (802, 23215), (2005, 9286), (4010, 4643)]