17961488994

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{859}}^1\times {\mathrm{1231}}^1$

素因数の和:2263

約数の個数: 64

約数和(自身を含む): 38142720000

約数和(自身を除く): 20181231006

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 149, 298, 447, 859, 894, 1231, 1718, 2462, 2577, 2831, 3693, 5154, 5662, 7386, 8493, 16321, 16986, 23389, 32642, 46778, 48963, 70167, 97926, 127991, 140334, 183419, 255982, 366838, 383973, 550257, 767946, 1057429, 1100514, 2114858, 2431829, 3172287, 3484961, 4863658, 6344574, 6969922, 7295487, 10454883, 14590974, 20091151, 20909766, 40182302, 60273453, 120546906, 157556921, 315113842, 472670763, 945341526, 2993581499, 5987162998, 8980744497, 17961488994]

約数ペア:

[(1, 17961488994), (2, 8980744497), (3, 5987162998), (6, 2993581499), (19, 945341526), (38, 472670763), (57, 315113842), (114, 157556921), (149, 120546906), (298, 60273453), (447, 40182302), (859, 20909766), (894, 20091151), (1231, 14590974), (1718, 10454883), (2462, 7295487), (2577, 6969922), (2831, 6344574), (3693, 4863658), (5154, 3484961), (5662, 3172287), (7386, 2431829), (8493, 2114858), (16321, 1100514), (16986, 1057429), (23389, 767946), (32642, 550257), (46778, 383973), (48963, 366838), (70167, 255982), (97926, 183419), (127991, 140334)]