19206530

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2063}}^1$

素因数の和:2103

約数の個数: 48

約数和(自身を含む): 42353280

約数和(自身を除く): 23146750

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 490, 665, 931, 1330, 1862, 2063, 4126, 4655, 9310, 10315, 14441, 20630, 28882, 39197, 72205, 78394, 101087, 144410, 195985, 202174, 274379, 391970, 505435, 548758, 1010870, 1371895, 1920653, 2743790, 3841306, 9603265, 19206530]

約数ペア:

[(1, 19206530), (2, 9603265), (5, 3841306), (7, 2743790), (10, 1920653), (14, 1371895), (19, 1010870), (35, 548758), (38, 505435), (49, 391970), (70, 274379), (95, 202174), (98, 195985), (133, 144410), (190, 101087), (245, 78394), (266, 72205), (490, 39197), (665, 28882), (931, 20630), (1330, 14441), (1862, 10315), (2063, 9310), (4126, 4655)]