2019227859

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:694

約数の個数: 80

約数和(自身を含む): 3399770880

約数和(自身を除く): 1380543021

約数列:

[1, 3, 9, 11, 27, 33, 59, 71, 81, 99, 177, 213, 297, 531, 541, 639, 649, 781, 891, 1593, 1623, 1917, 1947, 2343, 4189, 4779, 4869, 5751, 5841, 5951, 7029, 12567, 14607, 17523, 17853, 21087, 31919, 37701, 38411, 43821, 46079, 52569, 53559, 63261, 95757, 113103, 115233, 138237, 160677, 287271, 339309, 345699, 351109, 414711, 422521, 482031, 861813, 1037097, 1053327, 1244133, 1267563, 2266249, 2585439, 3111291, 3159981, 3732399, 3802689, 6798747, 9479943, 11408067, 20396241, 24928739, 28439829, 34224201, 61188723, 74786217, 183566169, 224358651, 673075953, 2019227859]

約数ペア:

[(1, 2019227859), (3, 673075953), (9, 224358651), (11, 183566169), (27, 74786217), (33, 61188723), (59, 34224201), (71, 28439829), (81, 24928739), (99, 20396241), (177, 11408067), (213, 9479943), (297, 6798747), (531, 3802689), (541, 3732399), (639, 3159981), (649, 3111291), (781, 2585439), (891, 2266249), (1593, 1267563), (1623, 1244133), (1917, 1053327), (1947, 1037097), (2343, 861813), (4189, 482031), (4779, 422521), (4869, 414711), (5751, 351109), (5841, 345699), (5951, 339309), (7029, 287271), (12567, 160677), (14607, 138237), (17523, 115233), (17853, 113103), (21087, 95757), (31919, 63261), (37701, 53559), (38411, 52569), (43821, 46079)]