18827138

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{617}}^1$

素因数の和:722

約数の個数: 32

約数和(自身を含む): 32927040

約数和(自身を除く): 14099902

約数列:

[1, 2, 11, 19, 22, 38, 73, 146, 209, 418, 617, 803, 1234, 1387, 1606, 2774, 6787, 11723, 13574, 15257, 23446, 30514, 45041, 90082, 128953, 257906, 495451, 855779, 990902, 1711558, 9413569, 18827138]

約数ペア:

[(1, 18827138), (2, 9413569), (11, 1711558), (19, 990902), (22, 855779), (38, 495451), (73, 257906), (146, 128953), (209, 90082), (418, 45041), (617, 30514), (803, 23446), (1234, 15257), (1387, 13574), (1606, 11723), (2774, 6787)]