2019754863

素因数分解:

$3^2\times 7^2\times {\mathrm{1801}}^1\times {\mathrm{2543}}^1$

素因数の和:4364

約数の個数: 36

約数和(自身を含む): 3396957408

約数和(自身を除く): 1377202545

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 1801, 2543, 5403, 7629, 12607, 16209, 17801, 22887, 37821, 53403, 88249, 113463, 124607, 160209, 264747, 373821, 794241, 1121463, 4579943, 13739829, 32059601, 41219487, 96178803, 224417207, 288536409, 673251621, 2019754863]

約数ペア:

[(1, 2019754863), (3, 673251621), (7, 288536409), (9, 224417207), (21, 96178803), (49, 41219487), (63, 32059601), (147, 13739829), (441, 4579943), (1801, 1121463), (2543, 794241), (5403, 373821), (7629, 264747), (12607, 160209), (16209, 124607), (17801, 113463), (22887, 88249), (37821, 53403)]