18996558

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1669}}^1$

素因数の和:1952

約数の個数: 32

約数和(自身を含む): 43607040

約数和(自身を除く): 24610482

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 271, 542, 813, 1626, 1669, 1897, 3338, 3794, 5007, 5691, 10014, 11382, 11683, 23366, 35049, 70098, 452299, 904598, 1356897, 2713794, 3166093, 6332186, 9498279, 18996558]

約数ペア:

[(1, 18996558), (2, 9498279), (3, 6332186), (6, 3166093), (7, 2713794), (14, 1356897), (21, 904598), (42, 452299), (271, 70098), (542, 35049), (813, 23366), (1626, 11683), (1669, 11382), (1897, 10014), (3338, 5691), (3794, 5007)]