18990516

素因数分解:

$2^2\times 3^1\times {\mathrm{1109}}^1\times {\mathrm{1427}}^1$

素因数の和:2543

約数の個数: 24

約数和(自身を含む): 44382240

約数和(自身を除く): 25391724

約数列:

[1, 2, 3, 4, 6, 12, 1109, 1427, 2218, 2854, 3327, 4281, 4436, 5708, 6654, 8562, 13308, 17124, 1582543, 3165086, 4747629, 6330172, 9495258, 18990516]

約数ペア:

[(1, 18990516), (2, 9495258), (3, 6330172), (4, 4747629), (6, 3165086), (12, 1582543), (1109, 17124), (1427, 13308), (2218, 8562), (2854, 6654), (3327, 5708), (4281, 4436)]