17946156920

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{227}}^1\times {\mathrm{8863}}^1$

素因数の和:9324

約数の個数: 64

約数和(自身を含む): 40743198720

約数和(自身を除く): 22797041800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 227, 446, 454, 892, 908, 1115, 1135, 1784, 1816, 2230, 2270, 4460, 4540, 8863, 8920, 9080, 17726, 35452, 44315, 50621, 70904, 88630, 101242, 177260, 202484, 253105, 354520, 404968, 506210, 1012420, 1976449, 2011901, 2024840, 3952898, 4023802, 7905796, 8047604, 9882245, 10059505, 15811592, 16095208, 19764490, 20119010, 39528980, 40238020, 79057960, 80476040, 448653923, 897307846, 1794615692, 2243269615, 3589231384, 4486539230, 8973078460, 17946156920]

約数ペア:

[(1, 17946156920), (2, 8973078460), (4, 4486539230), (5, 3589231384), (8, 2243269615), (10, 1794615692), (20, 897307846), (40, 448653923), (223, 80476040), (227, 79057960), (446, 40238020), (454, 39528980), (892, 20119010), (908, 19764490), (1115, 16095208), (1135, 15811592), (1784, 10059505), (1816, 9882245), (2230, 8047604), (2270, 7905796), (4460, 4023802), (4540, 3952898), (8863, 2024840), (8920, 2011901), (9080, 1976449), (17726, 1012420), (35452, 506210), (44315, 404968), (50621, 354520), (70904, 253105), (88630, 202484), (101242, 177260)]