18819930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1429}}^1$

素因数の和:1878

約数の個数: 32

約数和(自身を含む): 45302400

約数和(自身を除く): 26482470

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 439, 878, 1317, 1429, 2195, 2634, 2858, 4287, 4390, 6585, 7145, 8574, 13170, 14290, 21435, 42870, 627331, 1254662, 1881993, 3136655, 3763986, 6273310, 9409965, 18819930]

約数ペア:

[(1, 18819930), (2, 9409965), (3, 6273310), (5, 3763986), (6, 3136655), (10, 1881993), (15, 1254662), (30, 627331), (439, 42870), (878, 21435), (1317, 14290), (1429, 13170), (2195, 8574), (2634, 7145), (2858, 6585), (4287, 4390)]