1213231814

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{72727}}^1$

素因数の和:73187

約数の個数: 16

約数和(自身を含む): 1920019200

約数和(自身を除く): 706787386

約数列:

[1, 2, 19, 38, 439, 878, 8341, 16682, 72727, 145454, 1381813, 2763626, 31927153, 63854306, 606615907, 1213231814]

約数ペア:

[(1, 1213231814), (2, 606615907), (19, 63854306), (38, 31927153), (439, 2763626), (878, 1381813), (8341, 145454), (16682, 72727)]