19192740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{45697}}^1$

素因数の和:45716

約数の個数: 48

約数和(自身を含む): 61418112

約数和(自身を除く): 42225372

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 45697, 91394, 137091, 182788, 228485, 274182, 319879, 456970, 548364, 639758, 685455, 913940, 959637, 1279516, 1370910, 1599395, 1919274, 2741820, 3198790, 3838548, 4798185, 6397580, 9596370, 19192740]

約数ペア:

[(1, 19192740), (2, 9596370), (3, 6397580), (4, 4798185), (5, 3838548), (6, 3198790), (7, 2741820), (10, 1919274), (12, 1599395), (14, 1370910), (15, 1279516), (20, 959637), (21, 913940), (28, 685455), (30, 639758), (35, 548364), (42, 456970), (60, 319879), (70, 274182), (84, 228485), (105, 182788), (140, 137091), (210, 91394), (420, 45697)]