19677081

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1\times {\mathrm{659}}^1$

素因数の和:968

約数の個数: 16

約数和(自身を含む): 27086400

約数和(自身を除く): 7409319

約数列:

[1, 3, 37, 111, 269, 659, 807, 1977, 9953, 24383, 29859, 73149, 177271, 531813, 6559027, 19677081]

約数ペア:

[(1, 19677081), (3, 6559027), (37, 531813), (111, 177271), (269, 73149), (659, 29859), (807, 24383), (1977, 9953)]