18921910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{347}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 42094080

約数和(自身を除く): 23172170

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 41, 70, 82, 95, 133, 190, 205, 266, 287, 347, 410, 574, 665, 694, 779, 1330, 1435, 1558, 1735, 2429, 2870, 3470, 3895, 4858, 5453, 6593, 7790, 10906, 12145, 13186, 14227, 24290, 27265, 28454, 32965, 46151, 54530, 65930, 71135, 92302, 99589, 142270, 199178, 230755, 270313, 461510, 497945, 540626, 995890, 1351565, 1892191, 2703130, 3784382, 9460955, 18921910]

約数ペア:

[(1, 18921910), (2, 9460955), (5, 3784382), (7, 2703130), (10, 1892191), (14, 1351565), (19, 995890), (35, 540626), (38, 497945), (41, 461510), (70, 270313), (82, 230755), (95, 199178), (133, 142270), (190, 99589), (205, 92302), (266, 71135), (287, 65930), (347, 54530), (410, 46151), (574, 32965), (665, 28454), (694, 27265), (779, 24290), (1330, 14227), (1435, 13186), (1558, 12145), (1735, 10906), (2429, 7790), (2870, 6593), (3470, 5453), (3895, 4858)]