18407792

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{88499}}^1$

素因数の和:88520

約数の個数: 20

約数和(自身を含む): 38409000

約数和(自身を除く): 20001208

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 88499, 176998, 353996, 707992, 1150487, 1415984, 2300974, 4601948, 9203896, 18407792]

約数ペア:

[(1, 18407792), (2, 9203896), (4, 4601948), (8, 2300974), (13, 1415984), (16, 1150487), (26, 707992), (52, 353996), (104, 176998), (208, 88499)]