19901190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{17929}}^1$

素因数の和:17976

約数の個数: 32

約数和(自身を含む): 49056480

約数和(自身を除く): 29155290

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 17929, 35858, 53787, 89645, 107574, 179290, 268935, 537870, 663373, 1326746, 1990119, 3316865, 3980238, 6633730, 9950595, 19901190]

約数ペア:

[(1, 19901190), (2, 9950595), (3, 6633730), (5, 3980238), (6, 3316865), (10, 1990119), (15, 1326746), (30, 663373), (37, 537870), (74, 268935), (111, 179290), (185, 107574), (222, 89645), (370, 53787), (555, 35858), (1110, 17929)]