219469855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{210019}}^1$

素因数の和:210054

約数の個数: 16

約数和(自身を含む): 302428800

約数和(自身を除く): 82958945

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 210019, 1050095, 2310209, 3990361, 11551045, 19951805, 43893971, 219469855]

約数ペア:

[(1, 219469855), (5, 43893971), (11, 19951805), (19, 11551045), (55, 3990361), (95, 2310209), (209, 1050095), (1045, 210019)]