18781413

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{52609}}^1$

素因数の和:52636

約数の個数: 16

約数和(自身を含む): 30303360

約数和(自身を除く): 11521947

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 52609, 157827, 368263, 894353, 1104789, 2683059, 6260471, 18781413]

約数ペア:

[(1, 18781413), (3, 6260471), (7, 2683059), (17, 1104789), (21, 894353), (51, 368263), (119, 157827), (357, 52609)]