19828039

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{13553}}^1$

素因数の和:13590

約数の個数: 16

約数和(自身を含む): 26023680

約数和(自身を除く): 6195641

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 13553, 94871, 149083, 257507, 1043581, 1802549, 2832577, 19828039]

約数ペア:

[(1, 19828039), (7, 2832577), (11, 1802549), (19, 1043581), (77, 257507), (133, 149083), (209, 94871), (1463, 13553)]