19369480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^2$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 47178180

約数和(自身を除く): 27808700

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 193, 260, 386, 520, 772, 965, 1544, 1930, 2509, 3860, 5018, 7720, 10036, 12545, 20072, 25090, 37249, 50180, 74498, 100360, 148996, 186245, 297992, 372490, 484237, 744980, 968474, 1489960, 1936948, 2421185, 3873896, 4842370, 9684740, 19369480]

約数ペア:

[(1, 19369480), (2, 9684740), (4, 4842370), (5, 3873896), (8, 2421185), (10, 1936948), (13, 1489960), (20, 968474), (26, 744980), (40, 484237), (52, 372490), (65, 297992), (104, 186245), (130, 148996), (193, 100360), (260, 74498), (386, 50180), (520, 37249), (772, 25090), (965, 20072), (1544, 12545), (1930, 10036), (2509, 7720), (3860, 5018)]