19961468

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{373}}^1\times {\mathrm{787}}^1$

素因数の和:1181

約数の個数: 24

約数和(自身を含む): 37133712

約数和(自身を除く): 17172244

約数列:

[1, 2, 4, 17, 34, 68, 373, 746, 787, 1492, 1574, 3148, 6341, 12682, 13379, 25364, 26758, 53516, 293551, 587102, 1174204, 4990367, 9980734, 19961468]

約数ペア:

[(1, 19961468), (2, 9980734), (4, 4990367), (17, 1174204), (34, 587102), (68, 293551), (373, 53516), (746, 26758), (787, 25364), (1492, 13379), (1574, 12682), (3148, 6341)]