18690540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28319}}^1$

素因数の和:28342

約数の個数: 48

約数和(自身を含む): 57093120

約数和(自身を除く): 38402580

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, 28319, 56638, 84957, 113276, 141595, 169914, 283190, 311509, 339828, 424785, 566380, 623018, 849570, 934527, 1246036, 1557545, 1699140, 1869054, 3115090, 3738108, 4672635, 6230180, 9345270, 18690540]

約数ペア:

[(1, 18690540), (2, 9345270), (3, 6230180), (4, 4672635), (5, 3738108), (6, 3115090), (10, 1869054), (11, 1699140), (12, 1557545), (15, 1246036), (20, 934527), (22, 849570), (30, 623018), (33, 566380), (44, 424785), (55, 339828), (60, 311509), (66, 283190), (110, 169914), (132, 141595), (165, 113276), (220, 84957), (330, 56638), (660, 28319)]