19913036

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1123}}^1$

素因数の和:1182

約数の個数: 48

約数和(自身を含む): 42298368

約数和(自身を除く): 22385332

約数列:

[1, 2, 4, 11, 13, 22, 26, 31, 44, 52, 62, 124, 143, 286, 341, 403, 572, 682, 806, 1123, 1364, 1612, 2246, 4433, 4492, 8866, 12353, 14599, 17732, 24706, 29198, 34813, 49412, 58396, 69626, 139252, 160589, 321178, 382943, 452569, 642356, 765886, 905138, 1531772, 1810276, 4978259, 9956518, 19913036]

約数ペア:

[(1, 19913036), (2, 9956518), (4, 4978259), (11, 1810276), (13, 1531772), (22, 905138), (26, 765886), (31, 642356), (44, 452569), (52, 382943), (62, 321178), (124, 160589), (143, 139252), (286, 69626), (341, 58396), (403, 49412), (572, 34813), (682, 29198), (806, 24706), (1123, 17732), (1364, 14599), (1612, 12353), (2246, 8866), (4433, 4492)]