18679958

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{11959}}^1$

素因数の和:12043

約数の個数: 16

約数和(自身を含む): 31000320

約数和(自身を除く): 12320362

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 11959, 23918, 131549, 263098, 849089, 1698178, 9339979, 18679958]

約数ペア:

[(1, 18679958), (2, 9339979), (11, 1698178), (22, 849089), (71, 263098), (142, 131549), (781, 23918), (1562, 11959)]