19713942

素因数分解:

$2^1\times 3^4\times {\mathrm{73}}^1\times {\mathrm{1667}}^1$

素因数の和:1754

約数の個数: 40

約数和(自身を含む): 44805816

約数和(自身を除く): 25091874

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 81, 146, 162, 219, 438, 657, 1314, 1667, 1971, 3334, 3942, 5001, 5913, 10002, 11826, 15003, 30006, 45009, 90018, 121691, 135027, 243382, 270054, 365073, 730146, 1095219, 2190438, 3285657, 6571314, 9856971, 19713942]

約数ペア:

[(1, 19713942), (2, 9856971), (3, 6571314), (6, 3285657), (9, 2190438), (18, 1095219), (27, 730146), (54, 365073), (73, 270054), (81, 243382), (146, 135027), (162, 121691), (219, 90018), (438, 45009), (657, 30006), (1314, 15003), (1667, 11826), (1971, 10002), (3334, 5913), (3942, 5001)]