19709953

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{457}}^1$

素因数の和:576

約数の個数: 16

約数和(自身を含む): 21764160

約数和(自身を除く): 2054207

約数列:

[1, 17, 43, 59, 457, 731, 1003, 2537, 7769, 19651, 26963, 43129, 334067, 458371, 1159409, 19709953]

約数ペア:

[(1, 19709953), (17, 1159409), (43, 458371), (59, 334067), (457, 43129), (731, 26963), (1003, 19651), (2537, 7769)]