18852009

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{281}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 29237760

約数和(自身を除く): 10385751

約数列:

[1, 3, 11, 19, 33, 57, 107, 209, 281, 321, 627, 843, 1177, 2033, 3091, 3531, 5339, 6099, 9273, 16017, 22363, 30067, 58729, 67089, 90201, 176187, 330737, 571273, 992211, 1713819, 6284003, 18852009]

約数ペア:

[(1, 18852009), (3, 6284003), (11, 1713819), (19, 992211), (33, 571273), (57, 330737), (107, 176187), (209, 90201), (281, 67089), (321, 58729), (627, 30067), (843, 22363), (1177, 16017), (2033, 9273), (3091, 6099), (3531, 5339)]