18379821

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{2539}}^1$

素因数の和:2688

約数の個数: 16

約数和(自身を含む): 26009600

約数和(自身を除く): 7629779

約数列:

[1, 3, 19, 57, 127, 381, 2413, 2539, 7239, 7617, 48241, 144723, 322453, 967359, 6126607, 18379821]

約数ペア:

[(1, 18379821), (3, 6126607), (19, 967359), (57, 322453), (127, 144723), (381, 48241), (2413, 7617), (2539, 7239)]