18218245

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 24295680

約数和(自身を除く): 6077435

約数列:

[1, 5, 19, 37, 71, 73, 95, 185, 355, 365, 703, 1349, 1387, 2627, 2701, 3515, 5183, 6745, 6935, 13135, 13505, 25915, 49913, 51319, 98477, 191771, 249565, 256595, 492385, 958855, 3643649, 18218245]

約数ペア:

[(1, 18218245), (5, 3643649), (19, 958855), (37, 492385), (71, 256595), (73, 249565), (95, 191771), (185, 98477), (355, 51319), (365, 49913), (703, 25915), (1349, 13505), (1387, 13135), (2627, 6935), (2701, 6745), (3515, 5183)]