19031792

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{91499}}^1$

素因数の和:91520

約数の個数: 20

約数和(自身を含む): 39711000

約数和(自身を除く): 20679208

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 91499, 182998, 365996, 731992, 1189487, 1463984, 2378974, 4757948, 9515896, 19031792]

約数ペア:

[(1, 19031792), (2, 9515896), (4, 4757948), (8, 2378974), (13, 1463984), (16, 1189487), (26, 731992), (52, 365996), (104, 182998), (208, 91499)]