19640216

素因数分解:

$2^3\times {\mathrm{331}}^1\times {\mathrm{7417}}^1$

素因数の和:7754

約数の個数: 16

約数和(自身を含む): 36941640

約数和(自身を除く): 17301424

約数列:

[1, 2, 4, 8, 331, 662, 1324, 2648, 7417, 14834, 29668, 59336, 2455027, 4910054, 9820108, 19640216]

約数ペア:

[(1, 19640216), (2, 9820108), (4, 4910054), (8, 2455027), (331, 59336), (662, 29668), (1324, 14834), (2648, 7417)]