18691380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103841}}^1$

素因数の和:103856

約数の個数: 36

約数和(自身を含む): 56697732

約数和(自身を除く): 38006352

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 103841, 207682, 311523, 415364, 519205, 623046, 934569, 1038410, 1246092, 1557615, 1869138, 2076820, 3115230, 3738276, 4672845, 6230460, 9345690, 18691380]

約数ペア:

[(1, 18691380), (2, 9345690), (3, 6230460), (4, 4672845), (5, 3738276), (6, 3115230), (9, 2076820), (10, 1869138), (12, 1557615), (15, 1246092), (18, 1038410), (20, 934569), (30, 623046), (36, 519205), (45, 415364), (60, 311523), (90, 207682), (180, 103841)]