19919211

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{10867}}^1$

素因数の和:10930

約数の個数: 16

約数和(自身を含む): 29213184

約数和(自身を除く): 9293973

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 10867, 32601, 141271, 423813, 510749, 1532247, 6639737, 19919211]

約数ペア:

[(1, 19919211), (3, 6639737), (13, 1532247), (39, 510749), (47, 423813), (141, 141271), (611, 32601), (1833, 10867)]