18349980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{27803}}^1$

素因数の和:27826

約数の個数: 48

約数和(自身を含む): 56052864

約数和(自身を除く): 37702884

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 27803, 55606, 83409, 111212, 139015, 166818, 278030, 305833, 333636, 417045, 556060, 611666, 834090, 917499, 1223332, 1529165, 1668180, 1834998, 3058330, 3669996, 4587495, 6116660, 9174990, 18349980]

約数ペア:

[(1, 18349980), (2, 9174990), (3, 6116660), (4, 4587495), (5, 3669996), (6, 3058330), (10, 1834998), (11, 1668180), (12, 1529165), (15, 1223332), (20, 917499), (22, 834090), (30, 611666), (33, 556060), (44, 417045), (55, 333636), (60, 305833), (66, 278030), (110, 166818), (132, 139015), (165, 111212), (220, 83409), (330, 55606), (660, 27803)]