19227950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{401}}^1$

素因数の和:557

約数の個数: 48

約数和(自身を含む): 41274144

約数和(自身を除く): 22046194

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 137, 175, 274, 350, 401, 685, 802, 959, 1370, 1918, 2005, 2807, 3425, 4010, 4795, 5614, 6850, 9590, 10025, 14035, 20050, 23975, 28070, 47950, 54937, 70175, 109874, 140350, 274685, 384559, 549370, 769118, 1373425, 1922795, 2746850, 3845590, 9613975, 19227950]

約数ペア:

[(1, 19227950), (2, 9613975), (5, 3845590), (7, 2746850), (10, 1922795), (14, 1373425), (25, 769118), (35, 549370), (50, 384559), (70, 274685), (137, 140350), (175, 109874), (274, 70175), (350, 54937), (401, 47950), (685, 28070), (802, 23975), (959, 20050), (1370, 14035), (1918, 10025), (2005, 9590), (2807, 6850), (3425, 5614), (4010, 4795)]