18485744

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{263}}^1$

素因数の和:485

約数の個数: 40

約数和(自身を含む): 37711872

約数和(自身を除く): 19226128

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 191, 263, 368, 382, 526, 764, 1052, 1528, 2104, 3056, 4208, 4393, 6049, 8786, 12098, 17572, 24196, 35144, 48392, 50233, 70288, 96784, 100466, 200932, 401864, 803728, 1155359, 2310718, 4621436, 9242872, 18485744]

約数ペア:

[(1, 18485744), (2, 9242872), (4, 4621436), (8, 2310718), (16, 1155359), (23, 803728), (46, 401864), (92, 200932), (184, 100466), (191, 96784), (263, 70288), (368, 50233), (382, 48392), (526, 35144), (764, 24196), (1052, 17572), (1528, 12098), (2104, 8786), (3056, 6049), (4208, 4393)]