17980916

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{2297}}^1$

素因数の和:2423

約数の個数: 24

約数和(自身を含む): 33458880

約数和(自身を除く): 15477964

約数列:

[1, 2, 4, 19, 38, 76, 103, 206, 412, 1957, 2297, 3914, 4594, 7828, 9188, 43643, 87286, 174572, 236591, 473182, 946364, 4495229, 8990458, 17980916]

約数ペア:

[(1, 17980916), (2, 8990458), (4, 4495229), (19, 946364), (38, 473182), (76, 236591), (103, 174572), (206, 87286), (412, 43643), (1957, 9188), (2297, 7828), (3914, 4594)]