19754470

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{85889}}^1$

素因数の和:85919

約数の個数: 16

約数和(自身を含む): 37104480

約数和(自身を除く): 17350010

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 85889, 171778, 429445, 858890, 1975447, 3950894, 9877235, 19754470]

約数ペア:

[(1, 19754470), (2, 9877235), (5, 3950894), (10, 1975447), (23, 858890), (46, 429445), (115, 171778), (230, 85889)]