18804901616

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{847373}}^1$

素因数の和:847473

約数の個数: 40

約数和(自身を含む): 38877519120

約数和(自身を除く): 20072617504

約数列:

[1, 2, 4, 8, 16, 19, 38, 73, 76, 146, 152, 292, 304, 584, 1168, 1387, 2774, 5548, 11096, 22192, 847373, 1694746, 3389492, 6778984, 13557968, 16100087, 32200174, 61858229, 64400348, 123716458, 128800696, 247432916, 257601392, 494865832, 989731664, 1175306351, 2350612702, 4701225404, 9402450808, 18804901616]

約数ペア:

[(1, 18804901616), (2, 9402450808), (4, 4701225404), (8, 2350612702), (16, 1175306351), (19, 989731664), (38, 494865832), (73, 257601392), (76, 247432916), (146, 128800696), (152, 123716458), (292, 64400348), (304, 61858229), (584, 32200174), (1168, 16100087), (1387, 13557968), (2774, 6778984), (5548, 3389492), (11096, 1694746), (22192, 847373)]