20180451537

素因数分解:

$3^4\times {\mathrm{787}}^1\times {\mathrm{316571}}^1$

素因数の和:317370

約数の個数: 20

約数和(自身を含む): 30184507056

約数和(自身を除く): 10004055519

約数列:

[1, 3, 9, 27, 81, 787, 2361, 7083, 21249, 63747, 316571, 949713, 2849139, 8547417, 25642251, 249141377, 747424131, 2242272393, 6726817179, 20180451537]

約数ペア:

[(1, 20180451537), (3, 6726817179), (9, 2242272393), (27, 747424131), (81, 249141377), (787, 25642251), (2361, 8547417), (7083, 2849139), (21249, 949713), (63747, 316571)]