19682320

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{5021}}^1$

素因数の和:5048

約数の個数: 60

約数和(自身を含む): 53243244

約数和(自身を除く): 33560924

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 5021, 10042, 20084, 25105, 35147, 40168, 50210, 70294, 80336, 100420, 140588, 175735, 200840, 246029, 281176, 351470, 401680, 492058, 562352, 702940, 984116, 1230145, 1405880, 1968232, 2460290, 2811760, 3936464, 4920580, 9841160, 19682320]

約数ペア:

[(1, 19682320), (2, 9841160), (4, 4920580), (5, 3936464), (7, 2811760), (8, 2460290), (10, 1968232), (14, 1405880), (16, 1230145), (20, 984116), (28, 702940), (35, 562352), (40, 492058), (49, 401680), (56, 351470), (70, 281176), (80, 246029), (98, 200840), (112, 175735), (140, 140588), (196, 100420), (245, 80336), (280, 70294), (392, 50210), (490, 40168), (560, 35147), (784, 25105), (980, 20084), (1960, 10042), (3920, 5021)]