19193820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{319897}}^1$

素因数の和:319909

約数の個数: 24

約数和(自身を含む): 53742864

約数和(自身を除く): 34549044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 319897, 639794, 959691, 1279588, 1599485, 1919382, 3198970, 3838764, 4798455, 6397940, 9596910, 19193820]

約数ペア:

[(1, 19193820), (2, 9596910), (3, 6397940), (4, 4798455), (5, 3838764), (6, 3198970), (10, 1919382), (12, 1599485), (15, 1279588), (20, 959691), (30, 639794), (60, 319897)]