18213447

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{5387}}^1$

素因数の和:5427

約数の個数: 24

約数和(自身を含む): 29483136

約数和(自身を除く): 11269689

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 1127, 3381, 5387, 16161, 37709, 113127, 123901, 263963, 371703, 791889, 867307, 2601921, 6071149, 18213447]

約数ペア:

[(1, 18213447), (3, 6071149), (7, 2601921), (21, 867307), (23, 791889), (49, 371703), (69, 263963), (147, 123901), (161, 113127), (483, 37709), (1127, 16161), (3381, 5387)]