18661398

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{10333}}^1$

素因数の和:10388

約数の個数: 32

約数和(自身を含む): 43650816

約数和(自身を除く): 24989418

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 10333, 20666, 30999, 61998, 72331, 144662, 216993, 433986, 444319, 888638, 1332957, 2665914, 3110233, 6220466, 9330699, 18661398]

約数ペア:

[(1, 18661398), (2, 9330699), (3, 6220466), (6, 3110233), (7, 2665914), (14, 1332957), (21, 888638), (42, 444319), (43, 433986), (86, 216993), (129, 144662), (258, 72331), (301, 61998), (602, 30999), (903, 20666), (1806, 10333)]