19013488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{91411}}^1$

素因数の和:91432

約数の個数: 20

約数和(自身を含む): 39672808

約数和(自身を除く): 20659320

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 91411, 182822, 365644, 731288, 1188343, 1462576, 2376686, 4753372, 9506744, 19013488]

約数ペア:

[(1, 19013488), (2, 9506744), (4, 4753372), (8, 2376686), (13, 1462576), (16, 1188343), (26, 731288), (52, 365644), (104, 182822), (208, 91411)]