19384996

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:543

約数の個数: 24

約数和(自身を含む): 34566840

約数和(自身を除く): 15181844

約数列:

[1, 2, 4, 109, 173, 218, 257, 346, 436, 514, 692, 1028, 18857, 28013, 37714, 44461, 56026, 75428, 88922, 112052, 177844, 4846249, 9692498, 19384996]

約数ペア:

[(1, 19384996), (2, 9692498), (4, 4846249), (109, 177844), (173, 112052), (218, 88922), (257, 75428), (346, 56026), (436, 44461), (514, 37714), (692, 28013), (1028, 18857)]