19952919

素因数分解:

$3^3\times 7^1\times {\mathrm{193}}^1\times {\mathrm{547}}^1$

素因数の和:756

約数の個数: 32

約数和(自身を含む): 34019840

約数和(自身を除く): 14066921

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 193, 547, 579, 1351, 1641, 1737, 3829, 4053, 4923, 5211, 11487, 12159, 14769, 34461, 36477, 103383, 105571, 316713, 738997, 950139, 2216991, 2850417, 6650973, 19952919]

約数ペア:

[(1, 19952919), (3, 6650973), (7, 2850417), (9, 2216991), (21, 950139), (27, 738997), (63, 316713), (189, 105571), (193, 103383), (547, 36477), (579, 34461), (1351, 14769), (1641, 12159), (1737, 11487), (3829, 5211), (4053, 4923)]