2019381819

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{6449}}^1$

素因数の和:6540

約数の個数: 64

約数和(自身を含む): 3513753600

約数和(自身を除く): 1494371781

約数列:

[1, 3, 7, 13, 21, 31, 37, 39, 91, 93, 111, 217, 259, 273, 403, 481, 651, 777, 1147, 1209, 1443, 2821, 3367, 3441, 6449, 8029, 8463, 10101, 14911, 19347, 24087, 44733, 45143, 83837, 104377, 135429, 199919, 238613, 251511, 313131, 586859, 599757, 715839, 1399433, 1670291, 1760577, 2598947, 3101969, 4198299, 5010873, 7397003, 7796841, 9305907, 18192629, 21713783, 22191009, 51779021, 54577887, 65141349, 96161039, 155337063, 288483117, 673127273, 2019381819]

約数ペア:

[(1, 2019381819), (3, 673127273), (7, 288483117), (13, 155337063), (21, 96161039), (31, 65141349), (37, 54577887), (39, 51779021), (91, 22191009), (93, 21713783), (111, 18192629), (217, 9305907), (259, 7796841), (273, 7397003), (403, 5010873), (481, 4198299), (651, 3101969), (777, 2598947), (1147, 1760577), (1209, 1670291), (1443, 1399433), (2821, 715839), (3367, 599757), (3441, 586859), (6449, 313131), (8029, 251511), (8463, 238613), (10101, 199919), (14911, 135429), (19347, 104377), (24087, 83837), (44733, 45143)]