18661216

素因数分解:

$2^5\times 7^1\times {\mathrm{227}}^1\times {\mathrm{367}}^1$

素因数の和:611

約数の個数: 48

約数和(自身を含む): 42287616

約数和(自身を除く): 23626400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 227, 367, 454, 734, 908, 1468, 1589, 1816, 2569, 2936, 3178, 3632, 5138, 5872, 6356, 7264, 10276, 11744, 12712, 20552, 25424, 41104, 50848, 82208, 83309, 166618, 333236, 583163, 666472, 1166326, 1332944, 2332652, 2665888, 4665304, 9330608, 18661216]

約数ペア:

[(1, 18661216), (2, 9330608), (4, 4665304), (7, 2665888), (8, 2332652), (14, 1332944), (16, 1166326), (28, 666472), (32, 583163), (56, 333236), (112, 166618), (224, 83309), (227, 82208), (367, 50848), (454, 41104), (734, 25424), (908, 20552), (1468, 12712), (1589, 11744), (1816, 10276), (2569, 7264), (2936, 6356), (3178, 5872), (3632, 5138)]