18856208

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8861}}^1$

素因数の和:8895

約数の個数: 40

約数和(自身を含む): 43955520

約数和(自身を除く): 25099312

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 8861, 17722, 35444, 62027, 70888, 124054, 141776, 168359, 248108, 336718, 496216, 673436, 992432, 1178513, 1346872, 2357026, 2693744, 4714052, 9428104, 18856208]

約数ペア:

[(1, 18856208), (2, 9428104), (4, 4714052), (7, 2693744), (8, 2357026), (14, 1346872), (16, 1178513), (19, 992432), (28, 673436), (38, 496216), (56, 336718), (76, 248108), (112, 168359), (133, 141776), (152, 124054), (266, 70888), (304, 62027), (532, 35444), (1064, 17722), (2128, 8861)]