19046820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24419}}^1$

素因数の和:24444

約数の個数: 48

約数和(自身を含む): 57435840

約数和(自身を除く): 38389020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 24419, 48838, 73257, 97676, 122095, 146514, 244190, 293028, 317447, 366285, 488380, 634894, 732570, 952341, 1269788, 1465140, 1587235, 1904682, 3174470, 3809364, 4761705, 6348940, 9523410, 19046820]

約数ペア:

[(1, 19046820), (2, 9523410), (3, 6348940), (4, 4761705), (5, 3809364), (6, 3174470), (10, 1904682), (12, 1587235), (13, 1465140), (15, 1269788), (20, 952341), (26, 732570), (30, 634894), (39, 488380), (52, 366285), (60, 317447), (65, 293028), (78, 244190), (130, 146514), (156, 122095), (195, 97676), (260, 73257), (390, 48838), (780, 24419)]