18985838

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^2$

素因数の和:284

約数の個数: 24

約数和(自身を含む): 31080672

約数和(自身を除く): 12094834

約数列:

[1, 2, 17, 34, 47, 94, 109, 218, 799, 1598, 1853, 3706, 5123, 10246, 11881, 23762, 87091, 174182, 201977, 403954, 558407, 1116814, 9492919, 18985838]

約数ペア:

[(1, 18985838), (2, 9492919), (17, 1116814), (34, 558407), (47, 403954), (94, 201977), (109, 174182), (218, 87091), (799, 23762), (1598, 11881), (1853, 10246), (3706, 5123)]