18788468

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{16253}}^1$

素因数の和:16291

約数の個数: 18

約数和(自身を含む): 34929846

約数和(自身を除く): 16141378

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 16253, 32506, 65012, 276301, 552602, 1105204, 4697117, 9394234, 18788468]

約数ペア:

[(1, 18788468), (2, 9394234), (4, 4697117), (17, 1105204), (34, 552602), (68, 276301), (289, 65012), (578, 32506), (1156, 16253)]