19505550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{1193}}^1$

素因数の和:1317

約数の個数: 48

約数和(自身を含む): 48858480

約数和(自身を除く): 29352930

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 109, 150, 218, 327, 545, 654, 1090, 1193, 1635, 2386, 2725, 3270, 3579, 5450, 5965, 7158, 8175, 11930, 16350, 17895, 29825, 35790, 59650, 89475, 130037, 178950, 260074, 390111, 650185, 780222, 1300370, 1950555, 3250925, 3901110, 6501850, 9752775, 19505550]

約数ペア:

[(1, 19505550), (2, 9752775), (3, 6501850), (5, 3901110), (6, 3250925), (10, 1950555), (15, 1300370), (25, 780222), (30, 650185), (50, 390111), (75, 260074), (109, 178950), (150, 130037), (218, 89475), (327, 59650), (545, 35790), (654, 29825), (1090, 17895), (1193, 16350), (1635, 11930), (2386, 8175), (2725, 7158), (3270, 5965), (3579, 5450)]