19186220

素因数分解:

$2^2\times 5^1\times {\mathrm{947}}^1\times {\mathrm{1013}}^1$

素因数の和:1969

約数の個数: 24

約数和(自身を含む): 40373424

約数和(自身を除く): 21187204

約数列:

[1, 2, 4, 5, 10, 20, 947, 1013, 1894, 2026, 3788, 4052, 4735, 5065, 9470, 10130, 18940, 20260, 959311, 1918622, 3837244, 4796555, 9593110, 19186220]

約数ペア:

[(1, 19186220), (2, 9593110), (4, 4796555), (5, 3837244), (10, 1918622), (20, 959311), (947, 20260), (1013, 18940), (1894, 10130), (2026, 9470), (3788, 5065), (4052, 4735)]