19630819

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:187

約数の個数: 24

約数和(自身を含む): 23042880

約数和(自身を除く): 3412061

約数列:

[1, 13, 19, 47, 89, 247, 361, 611, 893, 1157, 1691, 4183, 4693, 11609, 16967, 21983, 32129, 54379, 79477, 220571, 417677, 1033201, 1510063, 19630819]

約数ペア:

[(1, 19630819), (13, 1510063), (19, 1033201), (47, 417677), (89, 220571), (247, 79477), (361, 54379), (611, 32129), (893, 21983), (1157, 16967), (1691, 11609), (4183, 4693)]