19552281

素因数分解:

$3^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{1721}}^1$

素因数の和:2272

約数の個数: 16

約数和(自身を含む): 29866368

約数和(自身を除く): 10314087

約数列:

[1, 3, 7, 21, 541, 1623, 1721, 3787, 5163, 11361, 12047, 36141, 931061, 2793183, 6517427, 19552281]

約数ペア:

[(1, 19552281), (3, 6517427), (7, 2793183), (21, 931061), (541, 36141), (1623, 12047), (1721, 11361), (3787, 5163)]