18887248

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{4703}}^1$

素因数の和:4962

約数の個数: 20

約数和(自身を含む): 36747648

約数和(自身を除く): 17860400

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 4703, 9406, 18812, 37624, 75248, 1180453, 2360906, 4721812, 9443624, 18887248]

約数ペア:

[(1, 18887248), (2, 9443624), (4, 4721812), (8, 2360906), (16, 1180453), (251, 75248), (502, 37624), (1004, 18812), (2008, 9406), (4016, 4703)]