2011781978

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{4091}}^1\times {\mathrm{12941}}^1$

素因数の和:17053

約数の個数: 16

約数和(自身を含む): 3177519840

約数和(自身を除く): 1165737862

約数列:

[1, 2, 19, 38, 4091, 8182, 12941, 25882, 77729, 155458, 245879, 491758, 52941631, 105883262, 1005890989, 2011781978]

約数ペア:

[(1, 2011781978), (2, 1005890989), (19, 105883262), (38, 52941631), (4091, 491758), (8182, 245879), (12941, 155458), (25882, 77729)]