19305015

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 12628425

約数列:

[1, 3, 5, 15, 47, 139, 141, 197, 235, 417, 591, 695, 705, 985, 2085, 2955, 6533, 9259, 19599, 27383, 27777, 32665, 46295, 82149, 97995, 136915, 138885, 410745, 1287001, 3861003, 6435005, 19305015]

約数ペア:

[(1, 19305015), (3, 6435005), (5, 3861003), (15, 1287001), (47, 410745), (139, 138885), (141, 136915), (197, 97995), (235, 82149), (417, 46295), (591, 32665), (695, 27777), (705, 27383), (985, 19599), (2085, 9259), (2955, 6533)]