19373800

素因数分解:

$2^3\times 5^2\times {\mathrm{157}}^1\times {\mathrm{617}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 45404460

約数和(自身を除く): 26030660

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 157, 200, 314, 617, 628, 785, 1234, 1256, 1570, 2468, 3085, 3140, 3925, 4936, 6170, 6280, 7850, 12340, 15425, 15700, 24680, 30850, 31400, 61700, 96869, 123400, 193738, 387476, 484345, 774952, 968690, 1937380, 2421725, 3874760, 4843450, 9686900, 19373800]

約数ペア:

[(1, 19373800), (2, 9686900), (4, 4843450), (5, 3874760), (8, 2421725), (10, 1937380), (20, 968690), (25, 774952), (40, 484345), (50, 387476), (100, 193738), (157, 123400), (200, 96869), (314, 61700), (617, 31400), (628, 30850), (785, 24680), (1234, 15700), (1256, 15425), (1570, 12340), (2468, 7850), (3085, 6280), (3140, 6170), (3925, 4936)]