16948580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1879}}^1$

素因数の和:1940

約数の個数: 48

約数和(自身を含む): 39795840

約数和(自身を除く): 22847260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 1879, 2255, 3758, 4510, 7516, 9020, 9395, 18790, 20669, 37580, 41338, 77039, 82676, 103345, 154078, 206690, 308156, 385195, 413380, 770390, 847429, 1540780, 1694858, 3389716, 4237145, 8474290, 16948580]

約数ペア:

[(1, 16948580), (2, 8474290), (4, 4237145), (5, 3389716), (10, 1694858), (11, 1540780), (20, 847429), (22, 770390), (41, 413380), (44, 385195), (55, 308156), (82, 206690), (110, 154078), (164, 103345), (205, 82676), (220, 77039), (410, 41338), (451, 37580), (820, 20669), (902, 18790), (1804, 9395), (1879, 9020), (2255, 7516), (3758, 4510)]