19139880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{159499}}^1$

素因数の和:159513

約数の個数: 32

約数和(自身を含む): 57420000

約数和(自身を除く): 38280120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 159499, 318998, 478497, 637996, 797495, 956994, 1275992, 1594990, 1913988, 2392485, 3189980, 3827976, 4784970, 6379960, 9569940, 19139880]

約数ペア:

[(1, 19139880), (2, 9569940), (3, 6379960), (4, 4784970), (5, 3827976), (6, 3189980), (8, 2392485), (10, 1913988), (12, 1594990), (15, 1275992), (20, 956994), (24, 797495), (30, 637996), (40, 478497), (60, 318998), (120, 159499)]