19346680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1237}}^1$

素因数の和:1288

約数の個数: 64

約数和(自身を含む): 48133440

約数和(自身を除く): 28786760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 680, 782, 920, 1237, 1564, 1955, 2474, 3128, 3910, 4948, 6185, 7820, 9896, 12370, 15640, 21029, 24740, 28451, 42058, 49480, 56902, 84116, 105145, 113804, 142255, 168232, 210290, 227608, 284510, 420580, 483667, 569020, 841160, 967334, 1138040, 1934668, 2418335, 3869336, 4836670, 9673340, 19346680]

約数ペア:

[(1, 19346680), (2, 9673340), (4, 4836670), (5, 3869336), (8, 2418335), (10, 1934668), (17, 1138040), (20, 967334), (23, 841160), (34, 569020), (40, 483667), (46, 420580), (68, 284510), (85, 227608), (92, 210290), (115, 168232), (136, 142255), (170, 113804), (184, 105145), (230, 84116), (340, 56902), (391, 49480), (460, 42058), (680, 28451), (782, 24740), (920, 21029), (1237, 15640), (1564, 12370), (1955, 9896), (2474, 7820), (3128, 6185), (3910, 4948)]