18278399

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{277}}^1$

素因数の和:470

約数の個数: 16

約数和(自身を含む): 20282880

約数和(自身を除く): 2004481

約数列:

[1, 19, 23, 151, 277, 437, 2869, 3473, 5263, 6371, 41827, 65987, 121049, 794713, 962021, 18278399]

約数ペア:

[(1, 18278399), (19, 962021), (23, 794713), (151, 121049), (277, 65987), (437, 41827), (2869, 6371), (3473, 5263)]