19874403

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{1873}}^1$

素因数の和:2016

約数の個数: 20

約数和(自身を含む): 29931528

約数和(自身を除く): 10057125

約数列:

[1, 3, 9, 27, 81, 131, 393, 1179, 1873, 3537, 5619, 10611, 16857, 50571, 151713, 245363, 736089, 2208267, 6624801, 19874403]

約数ペア:

[(1, 19874403), (3, 6624801), (9, 2208267), (27, 736089), (81, 245363), (131, 151713), (393, 50571), (1179, 16857), (1873, 10611), (3537, 5619)]