11919965

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1451}}^1$

素因数の和:1540

約数の個数: 16

約数和(自身を含む): 15054336

約数和(自身を除く): 3134371

約数列:

[1, 5, 31, 53, 155, 265, 1451, 1643, 7255, 8215, 44981, 76903, 224905, 384515, 2383993, 11919965]

約数ペア:

[(1, 11919965), (5, 2383993), (31, 384515), (53, 224905), (155, 76903), (265, 44981), (1451, 8215), (1643, 7255)]