19837960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21563}}^1$

素因数の和:21597

約数の個数: 32

約数和(自身を含む): 46578240

約数和(自身を除く): 26740280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 21563, 43126, 86252, 107815, 172504, 215630, 431260, 495949, 862520, 991898, 1983796, 2479745, 3967592, 4959490, 9918980, 19837960]

約数ペア:

[(1, 19837960), (2, 9918980), (4, 4959490), (5, 3967592), (8, 2479745), (10, 1983796), (20, 991898), (23, 862520), (40, 495949), (46, 431260), (92, 215630), (115, 172504), (184, 107815), (230, 86252), (460, 43126), (920, 21563)]