18891786

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{136897}}^1$

素因数の和:136925

約数の個数: 16

約数和(自身を含む): 39426624

約数和(自身を除く): 20534838

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 136897, 273794, 410691, 821382, 3148631, 6297262, 9445893, 18891786]

約数ペア:

[(1, 18891786), (2, 9445893), (3, 6297262), (6, 3148631), (23, 821382), (46, 410691), (69, 273794), (138, 136897)]