18129040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11927}}^1$

素因数の和:11959

約数の個数: 40

約数和(自身を含む): 44372160

約数和(自身を除く): 26243120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 11927, 23854, 47708, 59635, 95416, 119270, 190832, 226613, 238540, 453226, 477080, 906452, 954160, 1133065, 1812904, 2266130, 3625808, 4532260, 9064520, 18129040]

約数ペア:

[(1, 18129040), (2, 9064520), (4, 4532260), (5, 3625808), (8, 2266130), (10, 1812904), (16, 1133065), (19, 954160), (20, 906452), (38, 477080), (40, 453226), (76, 238540), (80, 226613), (95, 190832), (152, 119270), (190, 95416), (304, 59635), (380, 47708), (760, 23854), (1520, 11927)]