19488990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{649633}}^1$

素因数の和:649643

約数の個数: 16

約数和(自身を含む): 46773648

約数和(自身を除く): 27284658

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 649633, 1299266, 1948899, 3248165, 3897798, 6496330, 9744495, 19488990]

約数ペア:

[(1, 19488990), (2, 9744495), (3, 6496330), (5, 3897798), (6, 3248165), (10, 1948899), (15, 1299266), (30, 649633)]