18964952

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 36456480

約数和(自身を除く): 17491528

約数列:

[1, 2, 4, 8, 71, 142, 173, 193, 284, 346, 386, 568, 692, 772, 1384, 1544, 12283, 13703, 24566, 27406, 33389, 49132, 54812, 66778, 98264, 109624, 133556, 267112, 2370619, 4741238, 9482476, 18964952]

約数ペア:

[(1, 18964952), (2, 9482476), (4, 4741238), (8, 2370619), (71, 267112), (142, 133556), (173, 109624), (193, 98264), (284, 66778), (346, 54812), (386, 49132), (568, 33389), (692, 27406), (772, 24566), (1384, 13703), (1544, 12283)]