2019961821

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1\times {\mathrm{45247}}^1$

素因数の和:45920

約数の個数: 16

約数和(自身を含む): 2814787584

約数和(自身を除く): 794825763

約数列:

[1, 3, 23, 69, 647, 1941, 14881, 44643, 45247, 135741, 1040681, 3122043, 29274809, 87824427, 673320607, 2019961821]

約数ペア:

[(1, 2019961821), (3, 673320607), (23, 87824427), (69, 29274809), (647, 3122043), (1941, 1040681), (14881, 135741), (44643, 45247)]