19515243

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{1453}}^1$

素因数の和:1515

約数の個数: 24

約数和(自身を含む): 29394064

約数和(自身を除く): 9878821

約数列:

[1, 3, 11, 33, 37, 111, 121, 363, 407, 1221, 1453, 4359, 4477, 13431, 15983, 47949, 53761, 161283, 175813, 527439, 591371, 1774113, 6505081, 19515243]

約数ペア:

[(1, 19515243), (3, 6505081), (11, 1774113), (33, 591371), (37, 527439), (111, 175813), (121, 161283), (363, 53761), (407, 47949), (1221, 15983), (1453, 13431), (4359, 4477)]