18825664208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{10753}}^1$

素因数の和:11236

約数の個数: 80

約数和(自身を含む): 41445055680

約数和(自身を除く): 22619391472

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 443, 494, 886, 988, 1772, 1976, 3544, 3952, 5759, 7088, 8417, 10753, 11518, 16834, 21506, 23036, 33668, 43012, 46072, 67336, 86024, 92144, 109421, 134672, 139789, 172048, 204307, 218842, 279578, 408614, 437684, 559156, 817228, 875368, 1118312, 1634456, 1750736, 2236624, 2655991, 3268912, 4763579, 5311982, 9527158, 10623964, 19054316, 21247928, 38108632, 42495856, 61926527, 76217264, 90508001, 123853054, 181016002, 247706108, 362032004, 495412216, 724064008, 990824432, 1176604013, 1448128016, 2353208026, 4706416052, 9412832104, 18825664208]

約数ペア:

[(1, 18825664208), (2, 9412832104), (4, 4706416052), (8, 2353208026), (13, 1448128016), (16, 1176604013), (19, 990824432), (26, 724064008), (38, 495412216), (52, 362032004), (76, 247706108), (104, 181016002), (152, 123853054), (208, 90508001), (247, 76217264), (304, 61926527), (443, 42495856), (494, 38108632), (886, 21247928), (988, 19054316), (1772, 10623964), (1976, 9527158), (3544, 5311982), (3952, 4763579), (5759, 3268912), (7088, 2655991), (8417, 2236624), (10753, 1750736), (11518, 1634456), (16834, 1118312), (21506, 875368), (23036, 817228), (33668, 559156), (43012, 437684), (46072, 408614), (67336, 279578), (86024, 218842), (92144, 204307), (109421, 172048), (134672, 139789)]