19847152

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{95419}}^1$

素因数の和:95440

約数の個数: 20

約数和(自身を含む): 41412280

約数和(自身を除く): 21565128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 95419, 190838, 381676, 763352, 1240447, 1526704, 2480894, 4961788, 9923576, 19847152]

約数ペア:

[(1, 19847152), (2, 9923576), (4, 4961788), (8, 2480894), (13, 1526704), (16, 1240447), (26, 763352), (52, 381676), (104, 190838), (208, 95419)]