19910494

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{5443}}^1$

素因数の和:5535

約数の個数: 16

約数和(自身を含む): 31357440

約数和(自身を除く): 11446946

約数列:

[1, 2, 31, 59, 62, 118, 1829, 3658, 5443, 10886, 168733, 321137, 337466, 642274, 9955247, 19910494]

約数ペア:

[(1, 19910494), (2, 9955247), (31, 642274), (59, 337466), (62, 321137), (118, 168733), (1829, 10886), (3658, 5443)]