19733420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2999}}^1$

素因数の和:3062

約数の個数: 48

約数和(自身を含む): 48384000

約数和(自身を除く): 28650580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 2999, 3290, 5998, 6580, 11996, 14995, 20993, 29990, 41986, 59980, 83972, 104965, 140953, 209930, 281906, 419860, 563812, 704765, 986671, 1409530, 1973342, 2819060, 3946684, 4933355, 9866710, 19733420]

約数ペア:

[(1, 19733420), (2, 9866710), (4, 4933355), (5, 3946684), (7, 2819060), (10, 1973342), (14, 1409530), (20, 986671), (28, 704765), (35, 563812), (47, 419860), (70, 281906), (94, 209930), (140, 140953), (188, 104965), (235, 83972), (329, 59980), (470, 41986), (658, 29990), (940, 20993), (1316, 14995), (1645, 11996), (2999, 6580), (3290, 5998)]