18627616

素因数分解:

$2^5\times 7^1\times {\mathrm{137}}^1\times {\mathrm{607}}^1$

素因数の和:761

約数の個数: 48

約数和(自身を含む): 42287616

約数和(自身を除く): 23660000

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 137, 224, 274, 548, 607, 959, 1096, 1214, 1918, 2192, 2428, 3836, 4249, 4384, 4856, 7672, 8498, 9712, 15344, 16996, 19424, 30688, 33992, 67984, 83159, 135968, 166318, 332636, 582113, 665272, 1164226, 1330544, 2328452, 2661088, 4656904, 9313808, 18627616]

約数ペア:

[(1, 18627616), (2, 9313808), (4, 4656904), (7, 2661088), (8, 2328452), (14, 1330544), (16, 1164226), (28, 665272), (32, 582113), (56, 332636), (112, 166318), (137, 135968), (224, 83159), (274, 67984), (548, 33992), (607, 30688), (959, 19424), (1096, 16996), (1214, 15344), (1918, 9712), (2192, 8498), (2428, 7672), (3836, 4856), (4249, 4384)]