19972965

素因数分解:

$3^1\times 5^1\times {\mathrm{359}}^1\times {\mathrm{3709}}^1$

素因数の和:4076

約数の個数: 16

約数和(自身を含む): 32054400

約数和(自身を除く): 12081435

約数列:

[1, 3, 5, 15, 359, 1077, 1795, 3709, 5385, 11127, 18545, 55635, 1331531, 3994593, 6657655, 19972965]

約数ペア:

[(1, 19972965), (3, 6657655), (5, 3994593), (15, 1331531), (359, 55635), (1077, 18545), (1795, 11127), (3709, 5385)]