19145368

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{217561}}^1$

素因数の和:217578

約数の個数: 16

約数和(自身を含む): 39161160

約数和(自身を除く): 20015792

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 217561, 435122, 870244, 1740488, 2393171, 4786342, 9572684, 19145368]

約数ペア:

[(1, 19145368), (2, 9572684), (4, 4786342), (8, 2393171), (11, 1740488), (22, 870244), (44, 435122), (88, 217561)]