18778880744

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2960101}}^1$

素因数の和:2960181

約数の個数: 32

約数和(自身を含む): 38540528040

約数和(自身を除く): 19761647296

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 244, 488, 793, 1586, 3172, 6344, 2960101, 5920202, 11840404, 23680808, 38481313, 76962626, 153925252, 180566161, 307850504, 361132322, 722264644, 1444529288, 2347360093, 4694720186, 9389440372, 18778880744]

約数ペア:

[(1, 18778880744), (2, 9389440372), (4, 4694720186), (8, 2347360093), (13, 1444529288), (26, 722264644), (52, 361132322), (61, 307850504), (104, 180566161), (122, 153925252), (244, 76962626), (488, 38481313), (793, 23680808), (1586, 11840404), (3172, 5920202), (6344, 2960101)]