18479890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12923}}^1$

素因数の和:12954

約数の個数: 32

約数和(自身を含む): 39082176

約数和(自身を除く): 20602286

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 12923, 25846, 64615, 129230, 142153, 167999, 284306, 335998, 710765, 839995, 1421530, 1679990, 1847989, 3695978, 9239945, 18479890]

約数ペア:

[(1, 18479890), (2, 9239945), (5, 3695978), (10, 1847989), (11, 1679990), (13, 1421530), (22, 839995), (26, 710765), (55, 335998), (65, 284306), (110, 167999), (130, 142153), (143, 129230), (286, 64615), (715, 25846), (1430, 12923)]