19739930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3863}}^1$

素因数の和:3950

約数の個数: 32

約数和(自身を含む): 41174784

約数和(自身を除く): 21434854

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 73, 146, 365, 511, 730, 1022, 2555, 3863, 5110, 7726, 19315, 27041, 38630, 54082, 135205, 270410, 281999, 563998, 1409995, 1973993, 2819990, 3947986, 9869965, 19739930]

約数ペア:

[(1, 19739930), (2, 9869965), (5, 3947986), (7, 2819990), (10, 1973993), (14, 1409995), (35, 563998), (70, 281999), (73, 270410), (146, 135205), (365, 54082), (511, 38630), (730, 27041), (1022, 19315), (2555, 7726), (3863, 5110)]