19704728066

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{25247}}^1$

素因数の和:25538

約数の個数: 32

約数和(自身を含む): 31085337600

約数和(自身を除く): 11380609534

約数列:

[1, 2, 37, 53, 74, 106, 199, 398, 1961, 3922, 7363, 10547, 14726, 21094, 25247, 50494, 390239, 780478, 934139, 1338091, 1868278, 2676182, 5024153, 10048306, 49509367, 99018734, 185893661, 266280109, 371787322, 532560218, 9852364033, 19704728066]

約数ペア:

[(1, 19704728066), (2, 9852364033), (37, 532560218), (53, 371787322), (74, 266280109), (106, 185893661), (199, 99018734), (398, 49509367), (1961, 10048306), (3922, 5024153), (7363, 2676182), (10547, 1868278), (14726, 1338091), (21094, 934139), (25247, 780478), (50494, 390239)]