18442886120

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{568523}}^1$

素因数の和:569345

約数の個数: 32

約数和(自身を含む): 41547733920

約数和(自身を除く): 23104847800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 1622, 3244, 4055, 6488, 8110, 16220, 32440, 568523, 1137046, 2274092, 2842615, 4548184, 5685230, 11370460, 22740920, 461072153, 922144306, 1844288612, 2305360765, 3688577224, 4610721530, 9221443060, 18442886120]

約数ペア:

[(1, 18442886120), (2, 9221443060), (4, 4610721530), (5, 3688577224), (8, 2305360765), (10, 1844288612), (20, 922144306), (40, 461072153), (811, 22740920), (1622, 11370460), (3244, 5685230), (4055, 4548184), (6488, 2842615), (8110, 2274092), (16220, 1137046), (32440, 568523)]