18988896945

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{55040281}}^1$

素因数の和:55040312

約数の個数: 16

約数和(自身を含む): 31703202432

約数和(自身を除く): 12714305487

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 55040281, 165120843, 275201405, 825604215, 1265926463, 3797779389, 6329632315, 18988896945]

約数ペア:

[(1, 18988896945), (3, 6329632315), (5, 3797779389), (15, 1265926463), (23, 825604215), (69, 275201405), (115, 165120843), (345, 55040281)]