19876670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{16427}}^1$

素因数の和:16456

約数の個数: 24

約数和(自身を含む): 39328632

約数和(自身を除く): 19451962

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 16427, 32854, 82135, 164270, 180697, 361394, 903485, 1806970, 1987667, 3975334, 9938335, 19876670]

約数ペア:

[(1, 19876670), (2, 9938335), (5, 3975334), (10, 1987667), (11, 1806970), (22, 903485), (55, 361394), (110, 180697), (121, 164270), (242, 82135), (605, 32854), (1210, 16427)]