18924440

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2833}}^1$

素因数の和:3011

約数の個数: 32

約数和(自身を含む): 42850080

約数和(自身を除く): 23925640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 2833, 3340, 5666, 6680, 11332, 14165, 22664, 28330, 56660, 113320, 473111, 946222, 1892444, 2365555, 3784888, 4731110, 9462220, 18924440]

約数ペア:

[(1, 18924440), (2, 9462220), (4, 4731110), (5, 3784888), (8, 2365555), (10, 1892444), (20, 946222), (40, 473111), (167, 113320), (334, 56660), (668, 28330), (835, 22664), (1336, 14165), (1670, 11332), (2833, 6680), (3340, 5666)]