19792190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{7823}}^1$

素因数の和:7864

約数の個数: 32

約数和(自身を含む): 40559616

約数和(自身を除く): 20767426

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 7823, 15646, 39115, 78230, 86053, 172106, 179929, 359858, 430265, 860530, 899645, 1799290, 1979219, 3958438, 9896095, 19792190]

約数ペア:

[(1, 19792190), (2, 9896095), (5, 3958438), (10, 1979219), (11, 1799290), (22, 899645), (23, 860530), (46, 430265), (55, 359858), (110, 179929), (115, 172106), (230, 86053), (253, 78230), (506, 39115), (1265, 15646), (2530, 7823)]