38415986

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1039}}^1$

素因数の和:1206

約数の個数: 32

約数和(自身を含む): 69888000

約数和(自身を除く): 31472014

約数列:

[1, 2, 7, 14, 19, 38, 133, 139, 266, 278, 973, 1039, 1946, 2078, 2641, 5282, 7273, 14546, 18487, 19741, 36974, 39482, 138187, 144421, 276374, 288842, 1010947, 2021894, 2743999, 5487998, 19207993, 38415986]

約数ペア:

[(1, 38415986), (2, 19207993), (7, 5487998), (14, 2743999), (19, 2021894), (38, 1010947), (133, 288842), (139, 276374), (266, 144421), (278, 138187), (973, 39482), (1039, 36974), (1946, 19741), (2078, 18487), (2641, 14546), (5282, 7273)]