19883950

素因数分解:

$2^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{2861}}^1$

素因数の和:3012

約数の個数: 24

約数和(自身を含む): 37263240

約数和(自身を除く): 17379290

約数列:

[1, 2, 5, 10, 25, 50, 139, 278, 695, 1390, 2861, 3475, 5722, 6950, 14305, 28610, 71525, 143050, 397679, 795358, 1988395, 3976790, 9941975, 19883950]

約数ペア:

[(1, 19883950), (2, 9941975), (5, 3976790), (10, 1988395), (25, 795358), (50, 397679), (139, 143050), (278, 71525), (695, 28610), (1390, 14305), (2861, 6950), (3475, 5722)]