18756248

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4999}}^1$

素因数の和:5079

約数の個数: 32

約数和(自身を含む): 40800000

約数和(自身を除く): 22043752

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 268, 469, 536, 938, 1876, 3752, 4999, 9998, 19996, 34993, 39992, 69986, 139972, 279944, 334933, 669866, 1339732, 2344531, 2679464, 4689062, 9378124, 18756248]

約数ペア:

[(1, 18756248), (2, 9378124), (4, 4689062), (7, 2679464), (8, 2344531), (14, 1339732), (28, 669866), (56, 334933), (67, 279944), (134, 139972), (268, 69986), (469, 39992), (536, 34993), (938, 19996), (1876, 9998), (3752, 4999)]