19476040

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1471}}^1$

素因数の和:1813

約数の個数: 32

約数和(自身を含む): 43983360

約数和(自身を除く): 24507320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1471, 1655, 2648, 2942, 3310, 5884, 6620, 7355, 11768, 13240, 14710, 29420, 58840, 486901, 973802, 1947604, 2434505, 3895208, 4869010, 9738020, 19476040]

約数ペア:

[(1, 19476040), (2, 9738020), (4, 4869010), (5, 3895208), (8, 2434505), (10, 1947604), (20, 973802), (40, 486901), (331, 58840), (662, 29420), (1324, 14710), (1471, 13240), (1655, 11768), (2648, 7355), (2942, 6620), (3310, 5884)]