18995838

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{769}}^1$

素因数の和:976

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 20920962

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 179, 358, 537, 769, 1074, 1538, 2307, 4117, 4614, 8234, 12351, 17687, 24702, 35374, 53061, 106122, 137651, 275302, 412953, 825906, 3165973, 6331946, 9497919, 18995838]

約数ペア:

[(1, 18995838), (2, 9497919), (3, 6331946), (6, 3165973), (23, 825906), (46, 412953), (69, 275302), (138, 137651), (179, 106122), (358, 53061), (537, 35374), (769, 24702), (1074, 17687), (1538, 12351), (2307, 8234), (4117, 4614)]