19934028

素因数分解:

$2^2\times 3^2\times {\mathrm{277}}^1\times {\mathrm{1999}}^1$

素因数の和:2286

約数の個数: 36

約数和(自身を含む): 50596000

約数和(自身を除く): 30661972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 277, 554, 831, 1108, 1662, 1999, 2493, 3324, 3998, 4986, 5997, 7996, 9972, 11994, 17991, 23988, 35982, 71964, 553723, 1107446, 1661169, 2214892, 3322338, 4983507, 6644676, 9967014, 19934028]

約数ペア:

[(1, 19934028), (2, 9967014), (3, 6644676), (4, 4983507), (6, 3322338), (9, 2214892), (12, 1661169), (18, 1107446), (36, 553723), (277, 71964), (554, 35982), (831, 23988), (1108, 17991), (1662, 11994), (1999, 9972), (2493, 7996), (3324, 5997), (3998, 4986)]