19714905

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{8941}}^1$

素因数の和:8966

約数の個数: 36

約数和(自身を含む): 39756132

約数和(自身を除く): 20041227

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 8941, 26823, 44705, 62587, 80469, 134115, 187761, 312935, 402345, 438109, 563283, 938805, 1314327, 2190545, 2816415, 3942981, 6571635, 19714905]

約数ペア:

[(1, 19714905), (3, 6571635), (5, 3942981), (7, 2816415), (9, 2190545), (15, 1314327), (21, 938805), (35, 563283), (45, 438109), (49, 402345), (63, 312935), (105, 187761), (147, 134115), (245, 80469), (315, 62587), (441, 44705), (735, 26823), (2205, 8941)]