19403145

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2083}}^1$

素因数の和:2123

約数の個数: 40

約数和(自身を含む): 36311616

約数和(自身を除く): 16908471

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 345, 405, 621, 1035, 1863, 2083, 3105, 6249, 9315, 10415, 18747, 31245, 47909, 56241, 93735, 143727, 168723, 239545, 281205, 431181, 718635, 843615, 1293543, 2155905, 3880629, 6467715, 19403145]

約数ペア:

[(1, 19403145), (3, 6467715), (5, 3880629), (9, 2155905), (15, 1293543), (23, 843615), (27, 718635), (45, 431181), (69, 281205), (81, 239545), (115, 168723), (135, 143727), (207, 93735), (345, 56241), (405, 47909), (621, 31245), (1035, 18747), (1863, 10415), (2083, 9315), (3105, 6249)]