19559988

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{25873}}^1$

素因数の和:25893

約数の個数: 48

約数和(自身を含む): 57957760

約数和(自身を除く): 38397772

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 25873, 51746, 77619, 103492, 155238, 181111, 232857, 310476, 362222, 465714, 543333, 698571, 724444, 931428, 1086666, 1397142, 1629999, 2173332, 2794284, 3259998, 4889997, 6519996, 9779994, 19559988]

約数ペア:

[(1, 19559988), (2, 9779994), (3, 6519996), (4, 4889997), (6, 3259998), (7, 2794284), (9, 2173332), (12, 1629999), (14, 1397142), (18, 1086666), (21, 931428), (27, 724444), (28, 698571), (36, 543333), (42, 465714), (54, 362222), (63, 310476), (84, 232857), (108, 181111), (126, 155238), (189, 103492), (252, 77619), (378, 51746), (756, 25873)]