19863943

素因数分解:

${\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1$

素因数の和:438

約数の個数: 16

約数和(自身を含む): 22302720

約数和(自身を除く): 2438777

約数列:

[1, 11, 59, 127, 241, 649, 1397, 2651, 7493, 14219, 30607, 82423, 156409, 336677, 1805813, 19863943]

約数ペア:

[(1, 19863943), (11, 1805813), (59, 336677), (127, 156409), (241, 82423), (649, 30607), (1397, 14219), (2651, 7493)]