18719172

素因数分解:

$2^2\times 3^2\times {\mathrm{269}}^1\times {\mathrm{1933}}^1$

素因数の和:2212

約数の個数: 36

約数和(自身を含む): 47518380

約数和(自身を除く): 28799208

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 269, 538, 807, 1076, 1614, 1933, 2421, 3228, 3866, 4842, 5799, 7732, 9684, 11598, 17397, 23196, 34794, 69588, 519977, 1039954, 1559931, 2079908, 3119862, 4679793, 6239724, 9359586, 18719172]

約数ペア:

[(1, 18719172), (2, 9359586), (3, 6239724), (4, 4679793), (6, 3119862), (9, 2079908), (12, 1559931), (18, 1039954), (36, 519977), (269, 69588), (538, 34794), (807, 23196), (1076, 17397), (1614, 11598), (1933, 9684), (2421, 7732), (3228, 5799), (3866, 4842)]