19231415

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^2\times {\mathrm{109}}^1$

素因数の和:263

約数の個数: 24

約数和(自身を含む): 26996640

約数和(自身を除く): 7765225

約数列:

[1, 5, 7, 35, 71, 109, 355, 497, 545, 763, 2485, 3815, 5041, 7739, 25205, 35287, 38695, 54173, 176435, 270865, 549469, 2747345, 3846283, 19231415]

約数ペア:

[(1, 19231415), (5, 3846283), (7, 2747345), (35, 549469), (71, 270865), (109, 176435), (355, 54173), (497, 38695), (545, 35287), (763, 25205), (2485, 7739), (3815, 5041)]