19885964805

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{151391}}^1$

素因数の和:151551

約数の個数: 64

約数和(自身を含む): 40694169600

約数和(自身を除く): 20808204795

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 139, 189, 315, 417, 695, 945, 973, 1251, 2085, 2919, 3753, 4865, 6255, 8757, 14595, 18765, 26271, 43785, 131355, 151391, 454173, 756955, 1059737, 1362519, 2270865, 3179211, 4087557, 5298685, 6812595, 9537633, 15896055, 20437785, 21043349, 28612899, 47688165, 63130047, 105216745, 143064495, 147303443, 189390141, 315650235, 441910329, 568170423, 736517215, 946950705, 1325730987, 2209551645, 2840852115, 3977192961, 6628654935, 19885964805]

約数ペア:

[(1, 19885964805), (3, 6628654935), (5, 3977192961), (7, 2840852115), (9, 2209551645), (15, 1325730987), (21, 946950705), (27, 736517215), (35, 568170423), (45, 441910329), (63, 315650235), (105, 189390141), (135, 147303443), (139, 143064495), (189, 105216745), (315, 63130047), (417, 47688165), (695, 28612899), (945, 21043349), (973, 20437785), (1251, 15896055), (2085, 9537633), (2919, 6812595), (3753, 5298685), (4865, 4087557), (6255, 3179211), (8757, 2270865), (14595, 1362519), (18765, 1059737), (26271, 756955), (43785, 454173), (131355, 151391)]