19724210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{16301}}^1$

素因数の和:16330

約数の個数: 24

約数和(自身を含む): 39026988

約数和(自身を除く): 19302778

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 16301, 32602, 81505, 163010, 179311, 358622, 896555, 1793110, 1972421, 3944842, 9862105, 19724210]

約数ペア:

[(1, 19724210), (2, 9862105), (5, 3944842), (10, 1972421), (11, 1793110), (22, 896555), (55, 358622), (110, 179311), (121, 163010), (242, 81505), (605, 32602), (1210, 16301)]