20180111812

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1459}}^1\times {\mathrm{25999}}^1$

素因数の和:27488

約数の個数: 48

約数和(自身を含む): 42515200000

約数和(自身を除く): 22335088188

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 1459, 2918, 5836, 10213, 20426, 25999, 27721, 40852, 51998, 55442, 103996, 110884, 181993, 194047, 363986, 388094, 493981, 727972, 776188, 987962, 1975924, 3457867, 6915734, 13831468, 37932541, 75865082, 151730164, 265527787, 531055574, 720718279, 1062111148, 1441436558, 2882873116, 5045027953, 10090055906, 20180111812]

約数ペア:

[(1, 20180111812), (2, 10090055906), (4, 5045027953), (7, 2882873116), (14, 1441436558), (19, 1062111148), (28, 720718279), (38, 531055574), (76, 265527787), (133, 151730164), (266, 75865082), (532, 37932541), (1459, 13831468), (2918, 6915734), (5836, 3457867), (10213, 1975924), (20426, 987962), (25999, 776188), (27721, 727972), (40852, 493981), (51998, 388094), (55442, 363986), (103996, 194047), (110884, 181993)]