18008872

素因数分解:

$2^3\times 7^3\times {\mathrm{6563}}^1$

素因数の和:6590

約数の個数: 32

約数和(自身を含む): 39384000

約数和(自身を除く): 21375128

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 6563, 13126, 26252, 45941, 52504, 91882, 183764, 321587, 367528, 643174, 1286348, 2251109, 2572696, 4502218, 9004436, 18008872]

約数ペア:

[(1, 18008872), (2, 9004436), (4, 4502218), (7, 2572696), (8, 2251109), (14, 1286348), (28, 643174), (49, 367528), (56, 321587), (98, 183764), (196, 91882), (343, 52504), (392, 45941), (686, 26252), (1372, 13126), (2744, 6563)]