18284885

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 23783424

約数和(自身を除く): 5498539

約数列:

[1, 5, 23, 31, 115, 155, 223, 529, 713, 1115, 2645, 3565, 5129, 6913, 16399, 25645, 34565, 81995, 117967, 158999, 589835, 794995, 3656977, 18284885]

約数ペア:

[(1, 18284885), (5, 3656977), (23, 794995), (31, 589835), (115, 158999), (155, 117967), (223, 81995), (529, 34565), (713, 25645), (1115, 16399), (2645, 6913), (3565, 5129)]