19505380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{42403}}^1$

素因数の和:42435

約数の個数: 24

約数和(自身を含む): 42743232

約数和(自身を除く): 23237852

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 42403, 84806, 169612, 212015, 424030, 848060, 975269, 1950538, 3901076, 4876345, 9752690, 19505380]

約数ペア:

[(1, 19505380), (2, 9752690), (4, 4876345), (5, 3901076), (10, 1950538), (20, 975269), (23, 848060), (46, 424030), (92, 212015), (115, 169612), (230, 84806), (460, 42403)]