18615690

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{68947}}^1$

素因数の和:68963

約数の個数: 32

約数和(自身を含む): 49642560

約数和(自身を除く): 31026870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 68947, 137894, 206841, 344735, 413682, 620523, 689470, 1034205, 1241046, 1861569, 2068410, 3102615, 3723138, 6205230, 9307845, 18615690]

約数ペア:

[(1, 18615690), (2, 9307845), (3, 6205230), (5, 3723138), (6, 3102615), (9, 2068410), (10, 1861569), (15, 1241046), (18, 1034205), (27, 689470), (30, 620523), (45, 413682), (54, 344735), (90, 206841), (135, 137894), (270, 68947)]