19141450

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:391

約数の個数: 48

約数和(自身を含む): 37810080

約数和(自身を除く): 18668630

約数列:

[1, 2, 5, 10, 25, 29, 43, 50, 58, 86, 145, 215, 290, 307, 430, 614, 725, 1075, 1247, 1450, 1535, 2150, 2494, 3070, 6235, 7675, 8903, 12470, 13201, 15350, 17806, 26402, 31175, 44515, 62350, 66005, 89030, 132010, 222575, 330025, 382829, 445150, 660050, 765658, 1914145, 3828290, 9570725, 19141450]

約数ペア:

[(1, 19141450), (2, 9570725), (5, 3828290), (10, 1914145), (25, 765658), (29, 660050), (43, 445150), (50, 382829), (58, 330025), (86, 222575), (145, 132010), (215, 89030), (290, 66005), (307, 62350), (430, 44515), (614, 31175), (725, 26402), (1075, 17806), (1247, 15350), (1450, 13201), (1535, 12470), (2150, 8903), (2494, 7675), (3070, 6235)]