19979203

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:522

約数の個数: 16

約数和(自身を含む): 22176000

約数和(自身を除く): 2196797

約数列:

[1, 19, 23, 131, 349, 437, 2489, 3013, 6631, 8027, 45719, 57247, 152513, 868661, 1051537, 19979203]

約数ペア:

[(1, 19979203), (19, 1051537), (23, 868661), (131, 152513), (349, 57247), (437, 45719), (2489, 8027), (3013, 6631)]