18978052

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{16417}}^1$

素因数の和:16455

約数の個数: 18

約数和(自身を含む): 35282282

約数和(自身を除く): 16304230

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 16417, 32834, 65668, 279089, 558178, 1116356, 4744513, 9489026, 18978052]

約数ペア:

[(1, 18978052), (2, 9489026), (4, 4744513), (17, 1116356), (34, 558178), (68, 279089), (289, 65668), (578, 32834), (1156, 16417)]