18814278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{12107}}^1$

素因数の和:12156

約数の個数: 32

約数和(自身を含む): 44169984

約数和(自身を除く): 25355706

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 12107, 24214, 36321, 72642, 84749, 169498, 254247, 447959, 508494, 895918, 1343877, 2687754, 3135713, 6271426, 9407139, 18814278]

約数ペア:

[(1, 18814278), (2, 9407139), (3, 6271426), (6, 3135713), (7, 2687754), (14, 1343877), (21, 895918), (37, 508494), (42, 447959), (74, 254247), (111, 169498), (222, 84749), (259, 72642), (518, 36321), (777, 24214), (1554, 12107)]