19734506

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{907}}^1$

素因数の和:986

約数の個数: 32

約数和(自身を含む): 34518528

約数和(自身を除く): 14784022

約数列:

[1, 2, 11, 22, 23, 43, 46, 86, 253, 473, 506, 907, 946, 989, 1814, 1978, 9977, 10879, 19954, 20861, 21758, 39001, 41722, 78002, 229471, 429011, 458942, 858022, 897023, 1794046, 9867253, 19734506]

約数ペア:

[(1, 19734506), (2, 9867253), (11, 1794046), (22, 897023), (23, 858022), (43, 458942), (46, 429011), (86, 229471), (253, 78002), (473, 41722), (506, 39001), (907, 21758), (946, 20861), (989, 19954), (1814, 10879), (1978, 9977)]