19459016

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{719}}^1$

素因数の和:941

約数の個数: 32

約数和(自身を含む): 38880000

約数和(自身を除く): 19420984

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 199, 398, 719, 796, 1438, 1592, 2876, 3383, 5752, 6766, 12223, 13532, 24446, 27064, 48892, 97784, 143081, 286162, 572324, 1144648, 2432377, 4864754, 9729508, 19459016]

約数ペア:

[(1, 19459016), (2, 9729508), (4, 4864754), (8, 2432377), (17, 1144648), (34, 572324), (68, 286162), (136, 143081), (199, 97784), (398, 48892), (719, 27064), (796, 24446), (1438, 13532), (1592, 12223), (2876, 6766), (3383, 5752)]