19920086768

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{191}}^1\times {\mathrm{36013}}^1$

素因数の和:36393

約数の個数: 40

約数和(自身を含む): 39012669696

約数和(自身を除く): 19092582928

約数列:

[1, 2, 4, 8, 16, 181, 191, 362, 382, 724, 764, 1448, 1528, 2896, 3056, 34571, 36013, 69142, 72026, 138284, 144052, 276568, 288104, 553136, 576208, 6518353, 6878483, 13036706, 13756966, 26073412, 27513932, 52146824, 55027864, 104293648, 110055728, 1245005423, 2490010846, 4980021692, 9960043384, 19920086768]

約数ペア:

[(1, 19920086768), (2, 9960043384), (4, 4980021692), (8, 2490010846), (16, 1245005423), (181, 110055728), (191, 104293648), (362, 55027864), (382, 52146824), (724, 27513932), (764, 26073412), (1448, 13756966), (1528, 13036706), (2896, 6878483), (3056, 6518353), (34571, 576208), (36013, 553136), (69142, 288104), (72026, 276568), (138284, 144052)]