19907041

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1237}}^1$

素因数の和:1285

約数の個数: 24

約数和(自身を含む): 26344640

約数和(自身を除く): 6437599

約数列:

[1, 7, 11, 19, 77, 121, 133, 209, 847, 1237, 1463, 2299, 8659, 13607, 16093, 23503, 95249, 149677, 164521, 258533, 1047739, 1809731, 2843863, 19907041]

約数ペア:

[(1, 19907041), (7, 2843863), (11, 1809731), (19, 1047739), (77, 258533), (121, 164521), (133, 149677), (209, 95249), (847, 23503), (1237, 16093), (1463, 13607), (2299, 8659)]