19914990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2297}}^1$

素因数の和:2341

約数の個数: 48

約数和(自身を含む): 50794992

約数和(自身を除く): 30880002

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 289, 510, 578, 867, 1445, 1734, 2297, 2890, 4335, 4594, 6891, 8670, 11485, 13782, 22970, 34455, 39049, 68910, 78098, 117147, 195245, 234294, 390490, 585735, 663833, 1171470, 1327666, 1991499, 3319165, 3982998, 6638330, 9957495, 19914990]

約数ペア:

[(1, 19914990), (2, 9957495), (3, 6638330), (5, 3982998), (6, 3319165), (10, 1991499), (15, 1327666), (17, 1171470), (30, 663833), (34, 585735), (51, 390490), (85, 234294), (102, 195245), (170, 117147), (255, 78098), (289, 68910), (510, 39049), (578, 34455), (867, 22970), (1445, 13782), (1734, 11485), (2297, 8670), (2890, 6891), (4335, 4594)]