19216996976

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{199}}^1\times {\mathrm{30637}}^1$

素因数の和:31041

約数の個数: 40

約数和(自身を含む): 37611208800

約数和(自身を除く): 18394211824

約数列:

[1, 2, 4, 8, 16, 197, 199, 394, 398, 788, 796, 1576, 1592, 3152, 3184, 30637, 39203, 61274, 78406, 122548, 156812, 245096, 313624, 490192, 627248, 6035489, 6096763, 12070978, 12193526, 24141956, 24387052, 48283912, 48774104, 96567824, 97548208, 1201062311, 2402124622, 4804249244, 9608498488, 19216996976]

約数ペア:

[(1, 19216996976), (2, 9608498488), (4, 4804249244), (8, 2402124622), (16, 1201062311), (197, 97548208), (199, 96567824), (394, 48774104), (398, 48283912), (788, 24387052), (796, 24141956), (1576, 12193526), (1592, 12070978), (3152, 6096763), (3184, 6035489), (30637, 627248), (39203, 490192), (61274, 313624), (78406, 245096), (122548, 156812)]