19689495

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:332

約数の個数: 64

約数和(自身を含む): 38928384

約数和(自身を除く): 19238889

約数列:

[1, 3, 5, 7, 15, 21, 23, 31, 35, 69, 93, 105, 115, 155, 161, 217, 263, 345, 465, 483, 651, 713, 789, 805, 1085, 1315, 1841, 2139, 2415, 3255, 3565, 3945, 4991, 5523, 6049, 8153, 9205, 10695, 14973, 18147, 24459, 24955, 27615, 30245, 40765, 42343, 57071, 74865, 90735, 122295, 127029, 171213, 187519, 211715, 285355, 562557, 635145, 856065, 937595, 1312633, 2812785, 3937899, 6563165, 19689495]

約数ペア:

[(1, 19689495), (3, 6563165), (5, 3937899), (7, 2812785), (15, 1312633), (21, 937595), (23, 856065), (31, 635145), (35, 562557), (69, 285355), (93, 211715), (105, 187519), (115, 171213), (155, 127029), (161, 122295), (217, 90735), (263, 74865), (345, 57071), (465, 42343), (483, 40765), (651, 30245), (713, 27615), (789, 24955), (805, 24459), (1085, 18147), (1315, 14973), (1841, 10695), (2139, 9205), (2415, 8153), (3255, 6049), (3565, 5523), (3945, 4991)]