19371940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{138371}}^1$

素因数の和:138387

約数の個数: 24

約数和(自身を含む): 46492992

約数和(自身を除く): 27121052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 138371, 276742, 553484, 691855, 968597, 1383710, 1937194, 2767420, 3874388, 4842985, 9685970, 19371940]

約数ペア:

[(1, 19371940), (2, 9685970), (4, 4842985), (5, 3874388), (7, 2767420), (10, 1937194), (14, 1383710), (20, 968597), (28, 691855), (35, 553484), (70, 276742), (140, 138371)]