18763844

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{6991}}^1$

素因数の和:7067

約数の個数: 24

約数和(自身を含む): 36414336

約数和(自身を除く): 17650492

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 6991, 13982, 27964, 76901, 153802, 307604, 426451, 852902, 1705804, 4690961, 9381922, 18763844]

約数ペア:

[(1, 18763844), (2, 9381922), (4, 4690961), (11, 1705804), (22, 852902), (44, 426451), (61, 307604), (122, 153802), (244, 76901), (671, 27964), (1342, 13982), (2684, 6991)]