19724277

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{1619}}^1$

素因数の和:1784

約数の個数: 16

約数和(自身を含む): 27371520

約数和(自身を除く): 7647243

約数列:

[1, 3, 31, 93, 131, 393, 1619, 4061, 4857, 12183, 50189, 150567, 212089, 636267, 6574759, 19724277]

約数ペア:

[(1, 19724277), (3, 6574759), (31, 636267), (93, 212089), (131, 150567), (393, 50189), (1619, 12183), (4061, 4857)]