18811744

素因数分解:

$2^5\times 7^1\times {\mathrm{137}}^1\times {\mathrm{613}}^1$

素因数の和:767

約数の個数: 48

約数和(自身を含む): 42704928

約数和(自身を除く): 23893184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 137, 224, 274, 548, 613, 959, 1096, 1226, 1918, 2192, 2452, 3836, 4291, 4384, 4904, 7672, 8582, 9808, 15344, 17164, 19616, 30688, 34328, 68656, 83981, 137312, 167962, 335924, 587867, 671848, 1175734, 1343696, 2351468, 2687392, 4702936, 9405872, 18811744]

約数ペア:

[(1, 18811744), (2, 9405872), (4, 4702936), (7, 2687392), (8, 2351468), (14, 1343696), (16, 1175734), (28, 671848), (32, 587867), (56, 335924), (112, 167962), (137, 137312), (224, 83981), (274, 68656), (548, 34328), (613, 30688), (959, 19616), (1096, 17164), (1226, 15344), (1918, 9808), (2192, 8582), (2452, 7672), (3836, 4904), (4291, 4384)]