18813073240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2782999}}^1$

素因数の和:2783036

約数の個数: 48

約数和(自身を含む): 45836010000

約数和(自身を除く): 27022936760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 2782999, 5565998, 11131996, 13914995, 22263992, 27829990, 36178987, 55659980, 72357974, 111319960, 144715948, 180894935, 289431896, 361789870, 470326831, 723579740, 940653662, 1447159480, 1881307324, 2351634155, 3762614648, 4703268310, 9406536620, 18813073240]

約数ペア:

[(1, 18813073240), (2, 9406536620), (4, 4703268310), (5, 3762614648), (8, 2351634155), (10, 1881307324), (13, 1447159480), (20, 940653662), (26, 723579740), (40, 470326831), (52, 361789870), (65, 289431896), (104, 180894935), (130, 144715948), (169, 111319960), (260, 72357974), (338, 55659980), (520, 36178987), (676, 27829990), (845, 22263992), (1352, 13914995), (1690, 11131996), (3380, 5565998), (6760, 2782999)]