19447880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21139}}^1$

素因数の和:21173

約数の個数: 32

約数和(自身を含む): 45662400

約数和(自身を除く): 26214520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 21139, 42278, 84556, 105695, 169112, 211390, 422780, 486197, 845560, 972394, 1944788, 2430985, 3889576, 4861970, 9723940, 19447880]

約数ペア:

[(1, 19447880), (2, 9723940), (4, 4861970), (5, 3889576), (8, 2430985), (10, 1944788), (20, 972394), (23, 845560), (40, 486197), (46, 422780), (92, 211390), (115, 169112), (184, 105695), (230, 84556), (460, 42278), (920, 21139)]