18018080

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5927}}^1$

素因数の和:5961

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 26797600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 5927, 11854, 23708, 29635, 47416, 59270, 94832, 112613, 118540, 189664, 225226, 237080, 450452, 474160, 563065, 900904, 948320, 1126130, 1801808, 2252260, 3603616, 4504520, 9009040, 18018080]

約数ペア:

[(1, 18018080), (2, 9009040), (4, 4504520), (5, 3603616), (8, 2252260), (10, 1801808), (16, 1126130), (19, 948320), (20, 900904), (32, 563065), (38, 474160), (40, 450452), (76, 237080), (80, 225226), (95, 189664), (152, 118540), (160, 112613), (190, 94832), (304, 59270), (380, 47416), (608, 29635), (760, 23708), (1520, 11854), (3040, 5927)]