19828497

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{1307}}^1$

素因数の和:1712

約数の個数: 16

約数和(自身を含む): 28566720

約数和(自身を除く): 8738223

約数列:

[1, 3, 13, 39, 389, 1167, 1307, 3921, 5057, 15171, 16991, 50973, 508423, 1525269, 6609499, 19828497]

約数ペア:

[(1, 19828497), (3, 6609499), (13, 1525269), (39, 508423), (389, 50973), (1167, 16991), (1307, 15171), (3921, 5057)]