18536481

素因数分解:

$3^2\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:174

約数の個数: 36

約数和(自身を含む): 28986880

約数和(自身を除く): 10450399

約数列:

[1, 3, 9, 29, 31, 79, 87, 93, 237, 261, 279, 711, 841, 899, 2291, 2449, 2523, 2697, 6873, 7347, 7569, 8091, 20619, 22041, 26071, 66439, 71021, 78213, 199317, 213063, 234639, 597951, 639189, 2059609, 6178827, 18536481]

約数ペア:

[(1, 18536481), (3, 6178827), (9, 2059609), (29, 639189), (31, 597951), (79, 234639), (87, 213063), (93, 199317), (237, 78213), (261, 71021), (279, 66439), (711, 26071), (841, 22041), (899, 20619), (2291, 8091), (2449, 7569), (2523, 7347), (2697, 6873)]