12883900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{6781}}^1$

素因数の和:6814

約数の個数: 36

約数和(自身を含む): 29433880

約数和(自身を除く): 16549980

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 6781, 13562, 27124, 33905, 67810, 128839, 135620, 169525, 257678, 339050, 515356, 644195, 678100, 1288390, 2576780, 3220975, 6441950, 12883900]

約数ペア:

[(1, 12883900), (2, 6441950), (4, 3220975), (5, 2576780), (10, 1288390), (19, 678100), (20, 644195), (25, 515356), (38, 339050), (50, 257678), (76, 169525), (95, 135620), (100, 128839), (190, 67810), (380, 33905), (475, 27124), (950, 13562), (1900, 6781)]