19146778

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:478

約数の個数: 32

約数和(自身を含む): 34219008

約数和(自身を除く): 15072230

約数列:

[1, 2, 7, 14, 31, 62, 157, 217, 281, 314, 434, 562, 1099, 1967, 2198, 3934, 4867, 8711, 9734, 17422, 34069, 44117, 60977, 68138, 88234, 121954, 308819, 617638, 1367627, 2735254, 9573389, 19146778]

約数ペア:

[(1, 19146778), (2, 9573389), (7, 2735254), (14, 1367627), (31, 617638), (62, 308819), (157, 121954), (217, 88234), (281, 68138), (314, 60977), (434, 44117), (562, 34069), (1099, 17422), (1967, 9734), (2198, 8711), (3934, 4867)]