18479480

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1933}}^1$

素因数の和:2183

約数の個数: 32

約数和(自身を含む): 41774400

約数和(自身を除く): 23294920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 1933, 2390, 3866, 4780, 7732, 9560, 9665, 15464, 19330, 38660, 77320, 461987, 923974, 1847948, 2309935, 3695896, 4619870, 9239740, 18479480]

約数ペア:

[(1, 18479480), (2, 9239740), (4, 4619870), (5, 3695896), (8, 2309935), (10, 1847948), (20, 923974), (40, 461987), (239, 77320), (478, 38660), (956, 19330), (1195, 15464), (1912, 9665), (1933, 9560), (2390, 7732), (3866, 4780)]