17949779728

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{2742937}}^1$

素因数の和:2743354

約数の個数: 20

約数和(自身を含む): 34862741980

約数和(自身を除く): 16912962252

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 2742937, 5485874, 10971748, 21943496, 43886992, 1121861233, 2243722466, 4487444932, 8974889864, 17949779728]

約数ペア:

[(1, 17949779728), (2, 8974889864), (4, 4487444932), (8, 2243722466), (16, 1121861233), (409, 43886992), (818, 21943496), (1636, 10971748), (3272, 5485874), (6544, 2742937)]