19100421

素因数分解:

$3^3\times {\mathrm{349}}^1\times {\mathrm{2027}}^1$

素因数の和:2385

約数の個数: 16

約数和(自身を含む): 28392000

約数和(自身を除く): 9291579

約数列:

[1, 3, 9, 27, 349, 1047, 2027, 3141, 6081, 9423, 18243, 54729, 707423, 2122269, 6366807, 19100421]

約数ペア:

[(1, 19100421), (3, 6366807), (9, 2122269), (27, 707423), (349, 54729), (1047, 18243), (2027, 9423), (3141, 6081)]