19409456

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{110281}}^1$

素因数の和:110300

約数の個数: 20

約数和(自身を含む): 41024904

約数和(自身を除く): 21615448

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 110281, 220562, 441124, 882248, 1213091, 1764496, 2426182, 4852364, 9704728, 19409456]

約数ペア:

[(1, 19409456), (2, 9704728), (4, 4852364), (8, 2426182), (11, 1764496), (16, 1213091), (22, 882248), (44, 441124), (88, 220562), (176, 110281)]