19671988

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{7243}}^1$

素因数の和:7351

約数の個数: 24

約数和(自身を含む): 39755072

約数和(自身を除く): 20083084

約数列:

[1, 2, 4, 7, 14, 28, 97, 194, 388, 679, 1358, 2716, 7243, 14486, 28972, 50701, 101402, 202804, 702571, 1405142, 2810284, 4917997, 9835994, 19671988]

約数ペア:

[(1, 19671988), (2, 9835994), (4, 4917997), (7, 2810284), (14, 1405142), (28, 702571), (97, 202804), (194, 101402), (388, 50701), (679, 28972), (1358, 14486), (2716, 7243)]