18384020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{479}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 41126400

約数和(自身を除く): 22742380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 101, 190, 202, 380, 404, 479, 505, 958, 1010, 1916, 1919, 2020, 2395, 3838, 4790, 7676, 9101, 9580, 9595, 18202, 19190, 36404, 38380, 45505, 48379, 91010, 96758, 182020, 193516, 241895, 483790, 919201, 967580, 1838402, 3676804, 4596005, 9192010, 18384020]

約数ペア:

[(1, 18384020), (2, 9192010), (4, 4596005), (5, 3676804), (10, 1838402), (19, 967580), (20, 919201), (38, 483790), (76, 241895), (95, 193516), (101, 182020), (190, 96758), (202, 91010), (380, 48379), (404, 45505), (479, 38380), (505, 36404), (958, 19190), (1010, 18202), (1916, 9595), (1919, 9580), (2020, 9101), (2395, 7676), (3838, 4790)]