19104688

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{29123}}^1$

素因数の和:29172

約数の個数: 20

約数和(自身を含む): 37919448

約数和(自身を除く): 18814760

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 29123, 58246, 116492, 232984, 465968, 1194043, 2388086, 4776172, 9552344, 19104688]

約数ペア:

[(1, 19104688), (2, 9552344), (4, 4776172), (8, 2388086), (16, 1194043), (41, 465968), (82, 232984), (164, 116492), (328, 58246), (656, 29123)]