19948936

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18749}}^1$

素因数の和:18781

約数の個数: 32

約数和(自身を含む): 45000000

約数和(自身を除く): 25051064

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 18749, 37498, 74996, 131243, 149992, 262486, 356231, 524972, 712462, 1049944, 1424924, 2493617, 2849848, 4987234, 9974468, 19948936]

約数ペア:

[(1, 19948936), (2, 9974468), (4, 4987234), (7, 2849848), (8, 2493617), (14, 1424924), (19, 1049944), (28, 712462), (38, 524972), (56, 356231), (76, 262486), (133, 149992), (152, 131243), (266, 74996), (532, 37498), (1064, 18749)]