19488656

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{110731}}^1$

素因数の和:110750

約数の個数: 20

約数和(自身を含む): 41192304

約数和(自身を除く): 21703648

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 110731, 221462, 442924, 885848, 1218041, 1771696, 2436082, 4872164, 9744328, 19488656]

約数ペア:

[(1, 19488656), (2, 9744328), (4, 4872164), (8, 2436082), (11, 1771696), (16, 1218041), (22, 885848), (44, 442924), (88, 221462), (176, 110731)]