19727181

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{383}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 29352960

約数和(自身を除く): 9625779

約数列:

[1, 3, 9, 59, 97, 177, 291, 383, 531, 873, 1149, 3447, 5723, 17169, 22597, 37151, 51507, 67791, 111453, 203373, 334359, 2191909, 6575727, 19727181]

約数ペア:

[(1, 19727181), (3, 6575727), (9, 2191909), (59, 334359), (97, 203373), (177, 111453), (291, 67791), (383, 51507), (531, 37151), (873, 22597), (1149, 17169), (3447, 5723)]