2019490888

素因数分解:

$2^3\times {\mathrm{61}}^2\times {\mathrm{179}}^1\times {\mathrm{379}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 3881358000

約数和(自身を除く): 1861867112

約数列:

[1, 2, 4, 8, 61, 122, 179, 244, 358, 379, 488, 716, 758, 1432, 1516, 3032, 3721, 7442, 10919, 14884, 21838, 23119, 29768, 43676, 46238, 67841, 87352, 92476, 135682, 184952, 271364, 542728, 666059, 1332118, 1410259, 2664236, 2820518, 4138301, 5328472, 5641036, 8276602, 11282072, 16553204, 33106408, 252436361, 504872722, 1009745444, 2019490888]

約数ペア:

[(1, 2019490888), (2, 1009745444), (4, 504872722), (8, 252436361), (61, 33106408), (122, 16553204), (179, 11282072), (244, 8276602), (358, 5641036), (379, 5328472), (488, 4138301), (716, 2820518), (758, 2664236), (1432, 1410259), (1516, 1332118), (3032, 666059), (3721, 542728), (7442, 271364), (10919, 184952), (14884, 135682), (21838, 92476), (23119, 87352), (29768, 67841), (43676, 46238)]