18428888

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2131}}^1$

素因数の和:2207

約数の個数: 32

約数和(自身を含む): 36840960

約数和(自身を除く): 18412072

約数列:

[1, 2, 4, 8, 23, 46, 47, 92, 94, 184, 188, 376, 1081, 2131, 2162, 4262, 4324, 8524, 8648, 17048, 49013, 98026, 100157, 196052, 200314, 392104, 400628, 801256, 2303611, 4607222, 9214444, 18428888]

約数ペア:

[(1, 18428888), (2, 9214444), (4, 4607222), (8, 2303611), (23, 801256), (46, 400628), (47, 392104), (92, 200314), (94, 196052), (184, 100157), (188, 98026), (376, 49013), (1081, 17048), (2131, 8648), (2162, 8524), (4262, 4324)]