19770399935

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{10177}}^1$

素因数の和:10249

約数の個数: 72

約数和(自身を含む): 29726681040

約数和(自身を除く): 9956281105

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 121, 143, 169, 209, 247, 605, 715, 845, 1045, 1235, 1573, 1859, 2299, 2717, 3211, 7865, 9295, 10177, 11495, 13585, 16055, 20449, 29887, 35321, 50885, 102245, 111947, 132301, 149435, 176605, 193363, 388531, 559735, 661505, 966815, 1231417, 1455311, 1719913, 1942655, 2126993, 2513719, 6157085, 7276555, 8599565, 10634965, 12568595, 16008421, 18919043, 23396923, 27650909, 32678347, 80042105, 94595215, 116984615, 138254545, 163391735, 208109473, 304159999, 359461817, 1040547365, 1520799995, 1797309085, 3954079987, 19770399935]

約数ペア:

[(1, 19770399935), (5, 3954079987), (11, 1797309085), (13, 1520799995), (19, 1040547365), (55, 359461817), (65, 304159999), (95, 208109473), (121, 163391735), (143, 138254545), (169, 116984615), (209, 94595215), (247, 80042105), (605, 32678347), (715, 27650909), (845, 23396923), (1045, 18919043), (1235, 16008421), (1573, 12568595), (1859, 10634965), (2299, 8599565), (2717, 7276555), (3211, 6157085), (7865, 2513719), (9295, 2126993), (10177, 1942655), (11495, 1719913), (13585, 1455311), (16055, 1231417), (20449, 966815), (29887, 661505), (35321, 559735), (50885, 388531), (102245, 193363), (111947, 176605), (132301, 149435)]