18099290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{4447}}^1$

素因数の和:4502

約数の個数: 32

約数和(自身を含む): 36509184

約数和(自身を除く): 18409894

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 814, 2035, 4070, 4447, 8894, 22235, 44470, 48917, 97834, 164539, 244585, 329078, 489170, 822695, 1645390, 1809929, 3619858, 9049645, 18099290]

約数ペア:

[(1, 18099290), (2, 9049645), (5, 3619858), (10, 1809929), (11, 1645390), (22, 822695), (37, 489170), (55, 329078), (74, 244585), (110, 164539), (185, 97834), (370, 48917), (407, 44470), (814, 22235), (2035, 8894), (4070, 4447)]