19909736

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{32321}}^1$

素因数の和:32345

約数の個数: 32

約数和(自身を含む): 46543680

約数和(自身を除く): 26633944

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 32321, 64642, 129284, 226247, 258568, 355531, 452494, 711062, 904988, 1422124, 1809976, 2488717, 2844248, 4977434, 9954868, 19909736]

約数ペア:

[(1, 19909736), (2, 9954868), (4, 4977434), (7, 2844248), (8, 2488717), (11, 1809976), (14, 1422124), (22, 904988), (28, 711062), (44, 452494), (56, 355531), (77, 258568), (88, 226247), (154, 129284), (308, 64642), (616, 32321)]