19998652515

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{28366883}}^1$

素因数の和:28366938

約数の個数: 16

約数和(自身を含む): 32678650368

約数和(自身を除く): 12679997853

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 28366883, 85100649, 141834415, 425503245, 1333243501, 3999730503, 6666217505, 19998652515]

約数ペア:

[(1, 19998652515), (3, 6666217505), (5, 3999730503), (15, 1333243501), (47, 425503245), (141, 141834415), (235, 85100649), (705, 28366883)]