18448688

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{28123}}^1$

素因数の和:28172

約数の個数: 20

約数和(自身を含む): 36617448

約数和(自身を除く): 18168760

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 28123, 56246, 112492, 224984, 449968, 1153043, 2306086, 4612172, 9224344, 18448688]

約数ペア:

[(1, 18448688), (2, 9224344), (4, 4612172), (8, 2306086), (16, 1153043), (41, 449968), (82, 224984), (164, 112492), (328, 56246), (656, 28123)]