19875690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{220841}}^1$

素因数の和:220854

約数の個数: 24

約数和(自身を含む): 51677028

約数和(自身を除く): 31801338

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 220841, 441682, 662523, 1104205, 1325046, 1987569, 2208410, 3312615, 3975138, 6625230, 9937845, 19875690]

約数ペア:

[(1, 19875690), (2, 9937845), (3, 6625230), (5, 3975138), (6, 3312615), (9, 2208410), (10, 1987569), (15, 1325046), (18, 1104205), (30, 662523), (45, 441682), (90, 220841)]