19019820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{359}}^1\times {\mathrm{883}}^1$

素因数の和:1254

約数の個数: 48

約数和(自身を含む): 53464320

約数和(自身を除く): 34444500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 359, 718, 883, 1077, 1436, 1766, 1795, 2154, 2649, 3532, 3590, 4308, 4415, 5298, 5385, 7180, 8830, 10596, 10770, 13245, 17660, 21540, 26490, 52980, 316997, 633994, 950991, 1267988, 1584985, 1901982, 3169970, 3803964, 4754955, 6339940, 9509910, 19019820]

約数ペア:

[(1, 19019820), (2, 9509910), (3, 6339940), (4, 4754955), (5, 3803964), (6, 3169970), (10, 1901982), (12, 1584985), (15, 1267988), (20, 950991), (30, 633994), (60, 316997), (359, 52980), (718, 26490), (883, 21540), (1077, 17660), (1436, 13245), (1766, 10770), (1795, 10596), (2154, 8830), (2649, 7180), (3532, 5385), (3590, 5298), (4308, 4415)]