18500994

素因数分解:

$2^1\times 3^3\times {\mathrm{397}}^1\times {\mathrm{863}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 41264640

約数和(自身を除く): 22763646

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 397, 794, 863, 1191, 1726, 2382, 2589, 3573, 5178, 7146, 7767, 10719, 15534, 21438, 23301, 46602, 342611, 685222, 1027833, 2055666, 3083499, 6166998, 9250497, 18500994]

約数ペア:

[(1, 18500994), (2, 9250497), (3, 6166998), (6, 3083499), (9, 2055666), (18, 1027833), (27, 685222), (54, 342611), (397, 46602), (794, 23301), (863, 21438), (1191, 15534), (1726, 10719), (2382, 7767), (2589, 7146), (3573, 5178)]