18575008

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:389

約数の個数: 48

約数和(自身を含む): 38949120

約数和(自身を除く): 20374112

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 137, 152, 223, 274, 304, 446, 548, 608, 892, 1096, 1784, 2192, 2603, 3568, 4237, 4384, 5206, 7136, 8474, 10412, 16948, 20824, 30551, 33896, 41648, 61102, 67792, 83296, 122204, 135584, 244408, 488816, 580469, 977632, 1160938, 2321876, 4643752, 9287504, 18575008]

約数ペア:

[(1, 18575008), (2, 9287504), (4, 4643752), (8, 2321876), (16, 1160938), (19, 977632), (32, 580469), (38, 488816), (76, 244408), (137, 135584), (152, 122204), (223, 83296), (274, 67792), (304, 61102), (446, 41648), (548, 33896), (608, 30551), (892, 20824), (1096, 16948), (1784, 10412), (2192, 8474), (2603, 7136), (3568, 5206), (4237, 4384)]