18817876

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{571}}^1$

素因数の和:700

約数の個数: 48

約数和(自身を含む): 41513472

約数和(自身を除く): 22695596

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 107, 154, 214, 308, 428, 571, 749, 1142, 1177, 1498, 2284, 2354, 2996, 3997, 4708, 6281, 7994, 8239, 12562, 15988, 16478, 25124, 32956, 43967, 61097, 87934, 122194, 175868, 244388, 427679, 672067, 855358, 1344134, 1710716, 2688268, 4704469, 9408938, 18817876]

約数ペア:

[(1, 18817876), (2, 9408938), (4, 4704469), (7, 2688268), (11, 1710716), (14, 1344134), (22, 855358), (28, 672067), (44, 427679), (77, 244388), (107, 175868), (154, 122194), (214, 87934), (308, 61097), (428, 43967), (571, 32956), (749, 25124), (1142, 16478), (1177, 15988), (1498, 12562), (2284, 8239), (2354, 7994), (2996, 6281), (3997, 4708)]