1921863813

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{281}}^1\times {\mathrm{1237}}^1$

素因数の和:1637

約数の個数: 32

約数和(自身を含む): 2737069440

約数和(自身を除く): 815205627

約数列:

[1, 3, 19, 57, 97, 281, 291, 843, 1237, 1843, 3711, 5339, 5529, 16017, 23503, 27257, 70509, 81771, 119989, 347597, 359967, 517883, 1042791, 1553649, 2279791, 6604343, 6839373, 19813029, 33716909, 101150727, 640621271, 1921863813]

約数ペア:

[(1, 1921863813), (3, 640621271), (19, 101150727), (57, 33716909), (97, 19813029), (281, 6839373), (291, 6604343), (843, 2279791), (1237, 1553649), (1843, 1042791), (3711, 517883), (5339, 359967), (5529, 347597), (16017, 119989), (23503, 81771), (27257, 70509)]