204090818

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:554

約数の個数: 32

約数和(自身を含む): 327888000

約数和(自身を除く): 123797182

約数列:

[1, 2, 19, 38, 137, 197, 199, 274, 394, 398, 2603, 3743, 3781, 5206, 7486, 7562, 26989, 27263, 39203, 53978, 54526, 78406, 512791, 517997, 744857, 1025582, 1035994, 1489714, 5370811, 10741622, 102045409, 204090818]

約数ペア:

[(1, 204090818), (2, 102045409), (19, 10741622), (38, 5370811), (137, 1489714), (197, 1035994), (199, 1025582), (274, 744857), (394, 517997), (398, 512791), (2603, 78406), (3743, 54526), (3781, 53978), (5206, 39203), (7486, 27263), (7562, 26989)]