19878738

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1741}}^1$

素因数の和:1930

約数の個数: 32

約数和(自身を含む): 43647552

約数和(自身を除く): 23768814

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 173, 346, 519, 1038, 1741, 1903, 3482, 3806, 5223, 5709, 10446, 11418, 19151, 38302, 57453, 114906, 301193, 602386, 903579, 1807158, 3313123, 6626246, 9939369, 19878738]

約数ペア:

[(1, 19878738), (2, 9939369), (3, 6626246), (6, 3313123), (11, 1807158), (22, 903579), (33, 602386), (66, 301193), (173, 114906), (346, 57453), (519, 38302), (1038, 19151), (1741, 11418), (1903, 10446), (3482, 5709), (3806, 5223)]