19515818

素因数分解:

$2^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{2053}}^1$

素因数の和:2166

約数の個数: 24

約数和(自身を含む): 34420932

約数和(自身を除く): 14905114

約数列:

[1, 2, 7, 14, 49, 97, 98, 194, 679, 1358, 2053, 4106, 4753, 9506, 14371, 28742, 100597, 199141, 201194, 398282, 1393987, 2787974, 9757909, 19515818]

約数ペア:

[(1, 19515818), (2, 9757909), (7, 2787974), (14, 1393987), (49, 398282), (97, 201194), (98, 199141), (194, 100597), (679, 28742), (1358, 14371), (2053, 9506), (4106, 4753)]