18932576

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:735

約数の個数: 48

約数和(自身を含む): 40769568

約数和(自身を除く): 21836992

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 71, 104, 142, 208, 284, 416, 568, 641, 923, 1136, 1282, 1846, 2272, 2564, 3692, 5128, 7384, 8333, 10256, 14768, 16666, 20512, 29536, 33332, 45511, 66664, 91022, 133328, 182044, 266656, 364088, 591643, 728176, 1183286, 1456352, 2366572, 4733144, 9466288, 18932576]

約数ペア:

[(1, 18932576), (2, 9466288), (4, 4733144), (8, 2366572), (13, 1456352), (16, 1183286), (26, 728176), (32, 591643), (52, 364088), (71, 266656), (104, 182044), (142, 133328), (208, 91022), (284, 66664), (416, 45511), (568, 33332), (641, 29536), (923, 20512), (1136, 16666), (1282, 14768), (1846, 10256), (2272, 8333), (2564, 7384), (3692, 5128)]