2019189109

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{3373}}^1$

素因数の和:4049

約数の個数: 24

約数和(自身を含む): 2477055840

約数和(自身を除く): 457866731

約数列:

[1, 7, 19, 49, 133, 643, 931, 3373, 4501, 12217, 23611, 31507, 64087, 85519, 165277, 448609, 598633, 2168839, 3140263, 15181873, 41207941, 106273111, 288455587, 2019189109]

約数ペア:

[(1, 2019189109), (7, 288455587), (19, 106273111), (49, 41207941), (133, 15181873), (643, 3140263), (931, 2168839), (3373, 598633), (4501, 448609), (12217, 165277), (23611, 85519), (31507, 64087)]