18944042

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:518

約数の個数: 32

約数和(自身を含む): 32417280

約数和(自身を除く): 13473238

約数列:

[1, 2, 13, 23, 26, 46, 79, 158, 299, 401, 598, 802, 1027, 1817, 2054, 3634, 5213, 9223, 10426, 18446, 23621, 31679, 47242, 63358, 119899, 239798, 411827, 728617, 823654, 1457234, 9472021, 18944042]

約数ペア:

[(1, 18944042), (2, 9472021), (13, 1457234), (23, 823654), (26, 728617), (46, 411827), (79, 239798), (158, 119899), (299, 63358), (401, 47242), (598, 31679), (802, 23621), (1027, 18446), (1817, 10426), (2054, 9223), (3634, 5213)]