18870446997

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{433}}^1\times {\mathrm{130873}}^1$

素因数の和:131349

約数の個数: 24

約数和(自身を含む): 28058862104

約数和(自身を除く): 9188415107

約数列:

[1, 3, 9, 37, 111, 333, 433, 1299, 3897, 16021, 48063, 130873, 144189, 392619, 1177857, 4842301, 14526903, 43580709, 56668009, 170004027, 510012081, 2096716333, 6290148999, 18870446997]

約数ペア:

[(1, 18870446997), (3, 6290148999), (9, 2096716333), (37, 510012081), (111, 170004027), (333, 56668009), (433, 43580709), (1299, 14526903), (3897, 4842301), (16021, 1177857), (48063, 392619), (130873, 144189)]