19438508740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1741}}^1\times {\mathrm{11393}}^1$

素因数の和:13157

約数の個数: 72

約数和(自身を含む): 47516945112

約数和(自身を除く): 28078436372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1741, 3482, 6964, 8705, 11393, 12187, 17410, 22786, 24374, 34820, 45572, 48748, 56965, 60935, 79751, 85309, 113930, 121870, 159502, 170618, 227860, 243740, 319004, 341236, 398755, 426545, 558257, 797510, 853090, 1116514, 1595020, 1706180, 2233028, 2791285, 5582570, 11165140, 19835213, 39670426, 79340852, 99176065, 138846491, 198352130, 277692982, 396704260, 555385964, 694232455, 971925437, 1388464910, 1943850874, 2776929820, 3887701748, 4859627185, 9719254370, 19438508740]

約数ペア:

[(1, 19438508740), (2, 9719254370), (4, 4859627185), (5, 3887701748), (7, 2776929820), (10, 1943850874), (14, 1388464910), (20, 971925437), (28, 694232455), (35, 555385964), (49, 396704260), (70, 277692982), (98, 198352130), (140, 138846491), (196, 99176065), (245, 79340852), (490, 39670426), (980, 19835213), (1741, 11165140), (3482, 5582570), (6964, 2791285), (8705, 2233028), (11393, 1706180), (12187, 1595020), (17410, 1116514), (22786, 853090), (24374, 797510), (34820, 558257), (45572, 426545), (48748, 398755), (56965, 341236), (60935, 319004), (79751, 243740), (85309, 227860), (113930, 170618), (121870, 159502)]