18726747

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{6763}}^1$

素因数の和:6850

約数の個数: 16

約数和(自身を含む): 27272448

約数和(自身を除く): 8545701

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 6763, 20289, 87919, 263757, 480173, 1440519, 6242249, 18726747]

約数ペア:

[(1, 18726747), (3, 6242249), (13, 1440519), (39, 480173), (71, 263757), (213, 87919), (923, 20289), (2769, 6763)]