19927707

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{409}}^1$

素因数の和:670

約数の個数: 16

約数和(自身を含む): 27060000

約数和(自身を除く): 7132293

約数列:

[1, 3, 109, 149, 327, 409, 447, 1227, 16241, 44581, 48723, 60941, 133743, 182823, 6642569, 19927707]

約数ペア:

[(1, 19927707), (3, 6642569), (109, 182823), (149, 133743), (327, 60941), (409, 48723), (447, 44581), (1227, 16241)]