19844848

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{72959}}^1$

素因数の和:72984

約数の個数: 20

約数和(自身を含む): 40711680

約数和(自身を除く): 20866832

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 72959, 145918, 291836, 583672, 1167344, 1240303, 2480606, 4961212, 9922424, 19844848]

約数ペア:

[(1, 19844848), (2, 9922424), (4, 4961212), (8, 2480606), (16, 1240303), (17, 1167344), (34, 583672), (68, 291836), (136, 145918), (272, 72959)]