18711992

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{179923}}^1$

素因数の和:179942

約数の個数: 16

約数和(自身を含む): 37784040

約数和(自身を除く): 19072048

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 179923, 359846, 719692, 1439384, 2338999, 4677998, 9355996, 18711992]

約数ペア:

[(1, 18711992), (2, 9355996), (4, 4677998), (8, 2338999), (13, 1439384), (26, 719692), (52, 359846), (104, 179923)]