18291026

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{419}}^1$

素因数の和:530

約数の個数: 32

約数和(自身を含む): 31328640

約数和(自身を除く): 13037614

約数列:

[1, 2, 13, 23, 26, 46, 73, 146, 299, 419, 598, 838, 949, 1679, 1898, 3358, 5447, 9637, 10894, 19274, 21827, 30587, 43654, 61174, 125281, 250562, 397631, 703501, 795262, 1407002, 9145513, 18291026]

約数ペア:

[(1, 18291026), (2, 9145513), (13, 1407002), (23, 795262), (26, 703501), (46, 397631), (73, 250562), (146, 125281), (299, 61174), (419, 43654), (598, 30587), (838, 21827), (949, 19274), (1679, 10894), (1898, 9637), (3358, 5447)]