19793865

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{853}}^1$

素因数の和:898

約数の個数: 64

約数和(自身を含む): 41319936

約数和(自身を除く): 21526071

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 35, 39, 51, 65, 85, 91, 105, 119, 195, 221, 255, 273, 357, 455, 595, 663, 853, 1105, 1365, 1547, 1785, 2559, 3315, 4265, 4641, 5971, 7735, 11089, 12795, 14501, 17913, 23205, 29855, 33267, 43503, 55445, 72505, 77623, 89565, 101507, 166335, 188513, 217515, 232869, 304521, 388115, 507535, 565539, 942565, 1164345, 1319591, 1522605, 2827695, 3958773, 6597955, 19793865]

約数ペア:

[(1, 19793865), (3, 6597955), (5, 3958773), (7, 2827695), (13, 1522605), (15, 1319591), (17, 1164345), (21, 942565), (35, 565539), (39, 507535), (51, 388115), (65, 304521), (85, 232869), (91, 217515), (105, 188513), (119, 166335), (195, 101507), (221, 89565), (255, 77623), (273, 72505), (357, 55445), (455, 43503), (595, 33267), (663, 29855), (853, 23205), (1105, 17913), (1365, 14501), (1547, 12795), (1785, 11089), (2559, 7735), (3315, 5971), (4265, 4641)]