2018777968

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1\times {\mathrm{307}}^1$

素因数の和:654

約数の個数: 80

約数和(自身を含む): 4191953920

約数和(自身を除く): 2173175952

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 97, 152, 194, 223, 304, 307, 388, 446, 614, 776, 892, 1228, 1552, 1784, 1843, 2456, 3568, 3686, 4237, 4912, 5833, 7372, 8474, 11666, 14744, 16948, 21631, 23332, 29488, 29779, 33896, 43262, 46664, 59558, 67792, 68461, 86524, 93328, 119116, 136922, 173048, 238232, 273844, 346096, 410989, 476464, 547688, 565801, 821978, 1095376, 1131602, 1300759, 1643956, 2263204, 2601518, 3287912, 4526408, 5203036, 6575824, 6640717, 9052816, 10406072, 13281434, 20812144, 26562868, 53125736, 106251472, 126173623, 252347246, 504694492, 1009388984, 2018777968]

約数ペア:

[(1, 2018777968), (2, 1009388984), (4, 504694492), (8, 252347246), (16, 126173623), (19, 106251472), (38, 53125736), (76, 26562868), (97, 20812144), (152, 13281434), (194, 10406072), (223, 9052816), (304, 6640717), (307, 6575824), (388, 5203036), (446, 4526408), (614, 3287912), (776, 2601518), (892, 2263204), (1228, 1643956), (1552, 1300759), (1784, 1131602), (1843, 1095376), (2456, 821978), (3568, 565801), (3686, 547688), (4237, 476464), (4912, 410989), (5833, 346096), (7372, 273844), (8474, 238232), (11666, 173048), (14744, 136922), (16948, 119116), (21631, 93328), (23332, 86524), (29488, 68461), (29779, 67792), (33896, 59558), (43262, 46664)]