18245990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{941}}^1$

素因数の和:1232

約数の個数: 32

約数和(自身を含む): 37710144

約数和(自身を除く): 19464154

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 277, 554, 941, 1385, 1882, 1939, 2770, 3878, 4705, 6587, 9410, 9695, 13174, 19390, 32935, 65870, 260657, 521314, 1303285, 1824599, 2606570, 3649198, 9122995, 18245990]

約数ペア:

[(1, 18245990), (2, 9122995), (5, 3649198), (7, 2606570), (10, 1824599), (14, 1303285), (35, 521314), (70, 260657), (277, 65870), (554, 32935), (941, 19390), (1385, 13174), (1882, 9695), (1939, 9410), (2770, 6587), (3878, 4705)]