19506880

素因数分解:

$2^6\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1297}}^1$

素因数の和:1361

約数の個数: 56

約数和(自身を含む): 47475648

約数和(自身を除く): 27968768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 160, 188, 235, 320, 376, 470, 752, 940, 1297, 1504, 1880, 2594, 3008, 3760, 5188, 6485, 7520, 10376, 12970, 15040, 20752, 25940, 41504, 51880, 60959, 83008, 103760, 121918, 207520, 243836, 304795, 415040, 487672, 609590, 975344, 1219180, 1950688, 2438360, 3901376, 4876720, 9753440, 19506880]

約数ペア:

[(1, 19506880), (2, 9753440), (4, 4876720), (5, 3901376), (8, 2438360), (10, 1950688), (16, 1219180), (20, 975344), (32, 609590), (40, 487672), (47, 415040), (64, 304795), (80, 243836), (94, 207520), (160, 121918), (188, 103760), (235, 83008), (320, 60959), (376, 51880), (470, 41504), (752, 25940), (940, 20752), (1297, 15040), (1504, 12970), (1880, 10376), (2594, 7520), (3008, 6485), (3760, 5188)]