18888936752

素因数分解:

$2^4\times 7^1\times {\mathrm{1249}}^1\times {\mathrm{135029}}^1$

素因数の和:136293

約数の個数: 40

約数和(自身を含む): 41859300000

約数和(自身を除く): 22970363248

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1249, 2498, 4996, 8743, 9992, 17486, 19984, 34972, 69944, 135029, 139888, 270058, 540116, 945203, 1080232, 1890406, 2160464, 3780812, 7561624, 15123248, 168651221, 337302442, 674604884, 1180558547, 1349209768, 2361117094, 2698419536, 4722234188, 9444468376, 18888936752]

約数ペア:

[(1, 18888936752), (2, 9444468376), (4, 4722234188), (7, 2698419536), (8, 2361117094), (14, 1349209768), (16, 1180558547), (28, 674604884), (56, 337302442), (112, 168651221), (1249, 15123248), (2498, 7561624), (4996, 3780812), (8743, 2160464), (9992, 1890406), (17486, 1080232), (19984, 945203), (34972, 540116), (69944, 270058), (135029, 139888)]