18629517

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{2477}}^1$

素因数の和:2612

約数の個数: 16

約数和(自身を含む): 26167680

約数和(自身を除く): 7538163

約数列:

[1, 3, 23, 69, 109, 327, 2477, 2507, 7431, 7521, 56971, 170913, 269993, 809979, 6209839, 18629517]

約数ペア:

[(1, 18629517), (3, 6209839), (23, 809979), (69, 269993), (109, 170913), (327, 56971), (2477, 7521), (2507, 7431)]