19728170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{25621}}^1$

素因数の和:25646

約数の個数: 32

約数和(自身を含む): 44274816

約数和(自身を除く): 24546646

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 25621, 51242, 128105, 179347, 256210, 281831, 358694, 563662, 896735, 1409155, 1793470, 1972817, 2818310, 3945634, 9864085, 19728170]

約数ペア:

[(1, 19728170), (2, 9864085), (5, 3945634), (7, 2818310), (10, 1972817), (11, 1793470), (14, 1409155), (22, 896735), (35, 563662), (55, 358694), (70, 281831), (77, 256210), (110, 179347), (154, 128105), (385, 51242), (770, 25621)]