19303844

素因数分解:

$2^2\times 7^2\times {\mathrm{149}}^1\times {\mathrm{661}}^1$

素因数の和:828

約数の個数: 36

約数和(自身を含む): 39620700

約数和(自身を除く): 20316856

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 149, 196, 298, 596, 661, 1043, 1322, 2086, 2644, 4172, 4627, 7301, 9254, 14602, 18508, 29204, 32389, 64778, 98489, 129556, 196978, 393956, 689423, 1378846, 2757692, 4825961, 9651922, 19303844]

約数ペア:

[(1, 19303844), (2, 9651922), (4, 4825961), (7, 2757692), (14, 1378846), (28, 689423), (49, 393956), (98, 196978), (149, 129556), (196, 98489), (298, 64778), (596, 32389), (661, 29204), (1043, 18508), (1322, 14602), (2086, 9254), (2644, 7301), (4172, 4627)]