18890794

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{269}}^1$

素因数の和:394

約数の個数: 32

約数和(自身を含む): 31888080

約数和(自身を除く): 12997286

約数列:

[1, 2, 13, 26, 37, 73, 74, 146, 269, 481, 538, 949, 962, 1898, 2701, 3497, 5402, 6994, 9953, 19637, 19906, 35113, 39274, 70226, 129389, 255281, 258778, 510562, 726569, 1453138, 9445397, 18890794]

約数ペア:

[(1, 18890794), (2, 9445397), (13, 1453138), (26, 726569), (37, 510562), (73, 258778), (74, 255281), (146, 129389), (269, 70226), (481, 39274), (538, 35113), (949, 19906), (962, 19637), (1898, 9953), (2701, 6994), (3497, 5402)]