18898157

素因数分解:

${\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:532

約数の個数: 16

約数和(自身を含む): 20684160

約数和(自身を除く): 1786003

約数列:

[1, 23, 37, 53, 419, 851, 1219, 1961, 9637, 15503, 22207, 45103, 356569, 510761, 821659, 18898157]

約数ペア:

[(1, 18898157), (23, 821659), (37, 510761), (53, 356569), (419, 45103), (851, 22207), (1219, 15503), (1961, 9637)]