19855465

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 28385280

約数和(自身を除く): 8529815

約数列:

[1, 5, 7, 35, 43, 79, 167, 215, 301, 395, 553, 835, 1169, 1505, 2765, 3397, 5845, 7181, 13193, 16985, 23779, 35905, 50267, 65965, 92351, 118895, 251335, 461755, 567299, 2836495, 3971093, 19855465]

約数ペア:

[(1, 19855465), (5, 3971093), (7, 2836495), (35, 567299), (43, 461755), (79, 251335), (167, 118895), (215, 92351), (301, 65965), (395, 50267), (553, 35905), (835, 23779), (1169, 16985), (1505, 13193), (2765, 7181), (3397, 5845)]