19493992

素因数分解:

$2^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2741}}^1$

素因数の和:2881

約数の個数: 32

約数和(自身を含む): 42117120

約数和(自身を除く): 22623128

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 127, 254, 508, 889, 1016, 1778, 2741, 3556, 5482, 7112, 10964, 19187, 21928, 38374, 76748, 153496, 348107, 696214, 1392428, 2436749, 2784856, 4873498, 9746996, 19493992]

約数ペア:

[(1, 19493992), (2, 9746996), (4, 4873498), (7, 2784856), (8, 2436749), (14, 1392428), (28, 696214), (56, 348107), (127, 153496), (254, 76748), (508, 38374), (889, 21928), (1016, 19187), (1778, 10964), (2741, 7112), (3556, 5482)]