19979968316

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1213}}^1\times {\mathrm{53479}}^1$

素因数の和:54714

約数の個数: 48

約数和(自身を含む): 43629411840

約数和(自身を除く): 23649443524

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 1213, 2426, 4852, 8491, 13343, 16982, 26686, 33964, 53372, 53479, 93401, 106958, 186802, 213916, 373604, 374353, 588269, 748706, 1176538, 1497412, 2353076, 4117883, 8235766, 16471532, 64870027, 129740054, 259480108, 454090189, 713570297, 908180378, 1427140594, 1816360756, 2854281188, 4994992079, 9989984158, 19979968316]

約数ペア:

[(1, 19979968316), (2, 9989984158), (4, 4994992079), (7, 2854281188), (11, 1816360756), (14, 1427140594), (22, 908180378), (28, 713570297), (44, 454090189), (77, 259480108), (154, 129740054), (308, 64870027), (1213, 16471532), (2426, 8235766), (4852, 4117883), (8491, 2353076), (13343, 1497412), (16982, 1176538), (26686, 748706), (33964, 588269), (53372, 374353), (53479, 373604), (93401, 213916), (106958, 186802)]