18857475

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1$

素因数の和:346

約数の個数: 96

約数和(自身を含む): 42775040

約数和(自身を除く): 23917565

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 27, 35, 39, 45, 63, 65, 75, 91, 105, 117, 135, 175, 189, 195, 225, 273, 307, 315, 325, 351, 455, 525, 585, 675, 819, 921, 945, 975, 1365, 1535, 1575, 1755, 2149, 2275, 2457, 2763, 2925, 3991, 4095, 4605, 4725, 6447, 6825, 7675, 8289, 8775, 10745, 11973, 12285, 13815, 19341, 19955, 20475, 23025, 27937, 32235, 35919, 41445, 53725, 58023, 59865, 61425, 69075, 83811, 96705, 99775, 107757, 139685, 161175, 179595, 207225, 251433, 290115, 299325, 419055, 483525, 538785, 698425, 754299, 897975, 1257165, 1450575, 2095275, 2693925, 3771495, 6285825, 18857475]

約数ペア:

[(1, 18857475), (3, 6285825), (5, 3771495), (7, 2693925), (9, 2095275), (13, 1450575), (15, 1257165), (21, 897975), (25, 754299), (27, 698425), (35, 538785), (39, 483525), (45, 419055), (63, 299325), (65, 290115), (75, 251433), (91, 207225), (105, 179595), (117, 161175), (135, 139685), (175, 107757), (189, 99775), (195, 96705), (225, 83811), (273, 69075), (307, 61425), (315, 59865), (325, 58023), (351, 53725), (455, 41445), (525, 35919), (585, 32235), (675, 27937), (819, 23025), (921, 20475), (945, 19955), (975, 19341), (1365, 13815), (1535, 12285), (1575, 11973), (1755, 10745), (2149, 8775), (2275, 8289), (2457, 7675), (2763, 6825), (2925, 6447), (3991, 4725), (4095, 4605)]