18940803

素因数分解:

$3^1\times 7^3\times {\mathrm{79}}^1\times {\mathrm{233}}^1$

素因数の和:336

約数の個数: 32

約数和(自身を含む): 29952000

約数和(自身を除く): 11011197

約数列:

[1, 3, 7, 21, 49, 79, 147, 233, 237, 343, 553, 699, 1029, 1631, 1659, 3871, 4893, 11417, 11613, 18407, 27097, 34251, 55221, 79919, 81291, 128849, 239757, 386547, 901943, 2705829, 6313601, 18940803]

約数ペア:

[(1, 18940803), (3, 6313601), (7, 2705829), (21, 901943), (49, 386547), (79, 239757), (147, 128849), (233, 81291), (237, 79919), (343, 55221), (553, 34251), (699, 27097), (1029, 18407), (1631, 11613), (1659, 11417), (3871, 4893)]