19723671

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{709}}^1$

素因数の和:1007

約数の個数: 24

約数和(自身を含む): 31234320

約数和(自身を除く): 11510649

約数列:

[1, 3, 9, 11, 33, 99, 281, 709, 843, 2127, 2529, 3091, 6381, 7799, 9273, 23397, 27819, 70191, 199229, 597687, 1793061, 2191519, 6574557, 19723671]

約数ペア:

[(1, 19723671), (3, 6574557), (9, 2191519), (11, 1793061), (33, 597687), (99, 199229), (281, 70191), (709, 27819), (843, 23397), (2127, 9273), (2529, 7799), (3091, 6381)]