18663032

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{239}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 36115200

約数和(自身を除く): 17452168

約数列:

[1, 2, 4, 8, 43, 86, 172, 227, 239, 344, 454, 478, 908, 956, 1816, 1912, 9761, 10277, 19522, 20554, 39044, 41108, 54253, 78088, 82216, 108506, 217012, 434024, 2332879, 4665758, 9331516, 18663032]

約数ペア:

[(1, 18663032), (2, 9331516), (4, 4665758), (8, 2332879), (43, 434024), (86, 217012), (172, 108506), (227, 82216), (239, 78088), (344, 54253), (454, 41108), (478, 39044), (908, 20554), (956, 19522), (1816, 10277), (1912, 9761)]