18715229

素因数分解:

${\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:177

約数の個数: 24

約数和(自身を含む): 21613032

約数和(自身を除く): 2897803

約数列:

[1, 13, 37, 41, 73, 169, 481, 533, 949, 1517, 2701, 2993, 6253, 6929, 12337, 19721, 35113, 38909, 110741, 256373, 456469, 505817, 1439633, 18715229]

約数ペア:

[(1, 18715229), (13, 1439633), (37, 505817), (41, 456469), (73, 256373), (169, 110741), (481, 38909), (533, 35113), (949, 19721), (1517, 12337), (2701, 6929), (2993, 6253)]