18680755

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{631}}^1$

素因数の和:858

約数の個数: 16

約数和(自身を含む): 23298048

約数和(自身を除く): 4617293

約数列:

[1, 5, 31, 155, 191, 631, 955, 3155, 5921, 19561, 29605, 97805, 120521, 602605, 3736151, 18680755]

約数ペア:

[(1, 18680755), (5, 3736151), (31, 602605), (155, 120521), (191, 97805), (631, 29605), (955, 19561), (3155, 5921)]