18895466

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 31840128

約数和(自身を除く): 12944662

約数列:

[1, 2, 17, 23, 34, 46, 73, 146, 331, 391, 662, 782, 1241, 1679, 2482, 3358, 5627, 7613, 11254, 15226, 24163, 28543, 48326, 57086, 129421, 258842, 410771, 555749, 821542, 1111498, 9447733, 18895466]

約数ペア:

[(1, 18895466), (2, 9447733), (17, 1111498), (23, 821542), (34, 555749), (46, 410771), (73, 258842), (146, 129421), (331, 57086), (391, 48326), (662, 28543), (782, 24163), (1241, 15226), (1679, 11254), (2482, 7613), (3358, 5627)]