19504908

素因数分解:

$2^2\times 3^3\times {\mathrm{313}}^1\times {\mathrm{577}}^1$

素因数の和:903

約数の個数: 48

約数和(自身を含む): 50817760

約数和(自身を除く): 31312852

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 313, 577, 626, 939, 1154, 1252, 1731, 1878, 2308, 2817, 3462, 3756, 5193, 5634, 6924, 8451, 10386, 11268, 15579, 16902, 20772, 31158, 33804, 62316, 180601, 361202, 541803, 722404, 1083606, 1625409, 2167212, 3250818, 4876227, 6501636, 9752454, 19504908]

約数ペア:

[(1, 19504908), (2, 9752454), (3, 6501636), (4, 4876227), (6, 3250818), (9, 2167212), (12, 1625409), (18, 1083606), (27, 722404), (36, 541803), (54, 361202), (108, 180601), (313, 62316), (577, 33804), (626, 31158), (939, 20772), (1154, 16902), (1252, 15579), (1731, 11268), (1878, 10386), (2308, 8451), (2817, 6924), (3462, 5634), (3756, 5193)]