19802019945

素因数分解:

$3^1\times 5^1\times {\mathrm{37369}}^1\times {\mathrm{35327}}^1$

素因数の和:72704

約数の個数: 16

約数和(自身を含む): 31684976640

約数和(自身を除く): 11882956695

約数列:

[1, 3, 5, 15, 35327, 37369, 105981, 112107, 176635, 186845, 529905, 560535, 1320134663, 3960403989, 6600673315, 19802019945]

約数ペア:

[(1, 19802019945), (3, 6600673315), (5, 3960403989), (15, 1320134663), (35327, 560535), (37369, 529905), (105981, 186845), (112107, 176635)]