19916902

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{4127}}^1$

素因数の和:4275

約数の個数: 16

約数和(自身を含む): 31703040

約数和(自身を除く): 11786138

約数列:

[1, 2, 19, 38, 127, 254, 2413, 4127, 4826, 8254, 78413, 156826, 524129, 1048258, 9958451, 19916902]

約数ペア:

[(1, 19916902), (2, 9958451), (19, 1048258), (38, 524129), (127, 156826), (254, 78413), (2413, 8254), (4127, 4826)]