19704795

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{389}}^1$

素因数の和:715

約数の個数: 32

約数和(自身を含む): 34594560

約数和(自身を除く): 14889765

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 307, 389, 921, 1167, 1535, 1945, 3377, 4279, 4605, 5835, 10131, 12837, 16885, 21395, 50655, 64185, 119423, 358269, 597115, 1313653, 1791345, 3940959, 6568265, 19704795]

約数ペア:

[(1, 19704795), (3, 6568265), (5, 3940959), (11, 1791345), (15, 1313653), (33, 597115), (55, 358269), (165, 119423), (307, 64185), (389, 50655), (921, 21395), (1167, 16885), (1535, 12837), (1945, 10131), (3377, 5835), (4279, 4605)]