19891942

素因数分解:

$2^1\times 7^3\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 35251200

約数和(自身を除く): 15359258

約数列:

[1, 2, 7, 14, 49, 98, 107, 214, 271, 343, 542, 686, 749, 1498, 1897, 3794, 5243, 10486, 13279, 26558, 28997, 36701, 57994, 73402, 92953, 185906, 202979, 405958, 1420853, 2841706, 9945971, 19891942]

約数ペア:

[(1, 19891942), (2, 9945971), (7, 2841706), (14, 1420853), (49, 405958), (98, 202979), (107, 185906), (214, 92953), (271, 73402), (343, 57994), (542, 36701), (686, 28997), (749, 26558), (1498, 13279), (1897, 10486), (3794, 5243)]