18999842264

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{29077}}^1$

素因数の和:29260

約数の個数: 64

約数和(自身を含む): 39373938240

約数和(自身を除く): 20374095976

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 103, 104, 122, 206, 244, 412, 488, 793, 824, 1339, 1586, 2678, 3172, 5356, 6283, 6344, 10712, 12566, 25132, 29077, 50264, 58154, 81679, 116308, 163358, 232616, 326716, 378001, 653432, 756002, 1512004, 1773697, 2994931, 3024008, 3547394, 5989862, 7094788, 11979724, 14189576, 23058061, 23959448, 38934103, 46116122, 77868206, 92232244, 155736412, 182690791, 184464488, 311472824, 365381582, 730763164, 1461526328, 2374980283, 4749960566, 9499921132, 18999842264]

約数ペア:

[(1, 18999842264), (2, 9499921132), (4, 4749960566), (8, 2374980283), (13, 1461526328), (26, 730763164), (52, 365381582), (61, 311472824), (103, 184464488), (104, 182690791), (122, 155736412), (206, 92232244), (244, 77868206), (412, 46116122), (488, 38934103), (793, 23959448), (824, 23058061), (1339, 14189576), (1586, 11979724), (2678, 7094788), (3172, 5989862), (5356, 3547394), (6283, 3024008), (6344, 2994931), (10712, 1773697), (12566, 1512004), (25132, 756002), (29077, 653432), (50264, 378001), (58154, 326716), (81679, 232616), (116308, 163358)]