19886471

素因数分解:

${\mathrm{11}}^3\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:323

約数の個数: 16

約数和(自身を含む): 22299648

約数和(自身を除く): 2413177

約数列:

[1, 11, 67, 121, 223, 737, 1331, 2453, 8107, 14941, 26983, 89177, 164351, 296813, 1807861, 19886471]

約数ペア:

[(1, 19886471), (11, 1807861), (67, 296813), (121, 164351), (223, 89177), (737, 26983), (1331, 14941), (2453, 8107)]