19500819

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{439}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 30159360

約数和(自身を除く): 10658541

約数列:

[1, 3, 13, 17, 39, 51, 67, 201, 221, 439, 663, 871, 1139, 1317, 2613, 3417, 5707, 7463, 14807, 17121, 22389, 29413, 44421, 88239, 97019, 291057, 382369, 500021, 1147107, 1500063, 6500273, 19500819]

約数ペア:

[(1, 19500819), (3, 6500273), (13, 1500063), (17, 1147107), (39, 500021), (51, 382369), (67, 291057), (201, 97019), (221, 88239), (439, 44421), (663, 29413), (871, 22389), (1139, 17121), (1317, 14807), (2613, 7463), (3417, 5707)]