19927996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{6379}}^1$

素因数の和:6465

約数の個数: 24

約数和(自身を含む): 38586240

約数和(自身を除く): 18658244

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 6379, 12758, 25516, 70169, 140338, 280676, 452909, 905818, 1811636, 4981999, 9963998, 19927996]

約数ペア:

[(1, 19927996), (2, 9963998), (4, 4981999), (11, 1811636), (22, 905818), (44, 452909), (71, 280676), (142, 140338), (284, 70169), (781, 25516), (1562, 12758), (3124, 6379)]