18984135

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1129}}^1$

素因数の和:1215

約数の個数: 32

約数和(自身を含む): 32544000

約数和(自身を除く): 13559865

約数列:

[1, 3, 5, 15, 19, 57, 59, 95, 177, 285, 295, 885, 1121, 1129, 3363, 3387, 5605, 5645, 16815, 16935, 21451, 64353, 66611, 107255, 199833, 321765, 333055, 999165, 1265609, 3796827, 6328045, 18984135]

約数ペア:

[(1, 18984135), (3, 6328045), (5, 3796827), (15, 1265609), (19, 999165), (57, 333055), (59, 321765), (95, 199833), (177, 107255), (285, 66611), (295, 64353), (885, 21451), (1121, 16935), (1129, 16815), (3363, 5645), (3387, 5605)]