19204425

素因数分解:

$3^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{1237}}^1$

素因数の和:1279

約数の個数: 48

約数和(自身を含む): 36842880

約数和(自身を除く): 17638455

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 115, 135, 207, 225, 345, 575, 621, 675, 1035, 1237, 1725, 3105, 3711, 5175, 6185, 11133, 15525, 18555, 28451, 30925, 33399, 55665, 85353, 92775, 142255, 166995, 256059, 278325, 426765, 711275, 768177, 834975, 1280295, 2133825, 3840885, 6401475, 19204425]

約数ペア:

[(1, 19204425), (3, 6401475), (5, 3840885), (9, 2133825), (15, 1280295), (23, 834975), (25, 768177), (27, 711275), (45, 426765), (69, 278325), (75, 256059), (115, 166995), (135, 142255), (207, 92775), (225, 85353), (345, 55665), (575, 33399), (621, 30925), (675, 28451), (1035, 18555), (1237, 15525), (1725, 11133), (3105, 6185), (3711, 5175)]