18818378

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{2113}}^1$

素因数の和:2249

約数の個数: 16

約数和(自身を含む): 29097096

約数和(自身を除く): 10278718

約数列:

[1, 2, 61, 73, 122, 146, 2113, 4226, 4453, 8906, 128893, 154249, 257786, 308498, 9409189, 18818378]

約数ペア:

[(1, 18818378), (2, 9409189), (61, 308498), (73, 257786), (122, 154249), (146, 128893), (2113, 8906), (4226, 4453)]