19998681876

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{66601}}^1$

素因数の和:67069

約数の個数: 72

約数和(自身を含む): 53334881600

約数和(自身を除く): 33336199724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 439, 684, 878, 1317, 1756, 2634, 3951, 5268, 7902, 8341, 15804, 16682, 25023, 33364, 50046, 66601, 75069, 100092, 133202, 150138, 199803, 266404, 300276, 399606, 599409, 799212, 1198818, 1265419, 2397636, 2530838, 3796257, 5061676, 7592514, 11388771, 15185028, 22777542, 29237839, 45555084, 58475678, 87713517, 116951356, 175427034, 263140551, 350854068, 526281102, 555518941, 1052562204, 1111037882, 1666556823, 2222075764, 3333113646, 4999670469, 6666227292, 9999340938, 19998681876]

約数ペア:

[(1, 19998681876), (2, 9999340938), (3, 6666227292), (4, 4999670469), (6, 3333113646), (9, 2222075764), (12, 1666556823), (18, 1111037882), (19, 1052562204), (36, 555518941), (38, 526281102), (57, 350854068), (76, 263140551), (114, 175427034), (171, 116951356), (228, 87713517), (342, 58475678), (439, 45555084), (684, 29237839), (878, 22777542), (1317, 15185028), (1756, 11388771), (2634, 7592514), (3951, 5061676), (5268, 3796257), (7902, 2530838), (8341, 2397636), (15804, 1265419), (16682, 1198818), (25023, 799212), (33364, 599409), (50046, 399606), (66601, 300276), (75069, 266404), (100092, 199803), (133202, 150138)]