18917584

素因数分解:

$2^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2521}}^1$

素因数の和:2603

約数の個数: 40

約数和(自身を含む): 42531008

約数和(自身を除く): 23613424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 67, 112, 134, 268, 469, 536, 938, 1072, 1876, 2521, 3752, 5042, 7504, 10084, 17647, 20168, 35294, 40336, 70588, 141176, 168907, 282352, 337814, 675628, 1182349, 1351256, 2364698, 2702512, 4729396, 9458792, 18917584]

約数ペア:

[(1, 18917584), (2, 9458792), (4, 4729396), (7, 2702512), (8, 2364698), (14, 1351256), (16, 1182349), (28, 675628), (56, 337814), (67, 282352), (112, 168907), (134, 141176), (268, 70588), (469, 40336), (536, 35294), (938, 20168), (1072, 17647), (1876, 10084), (2521, 7504), (3752, 5042)]