18449610680

素因数分解:

$2^3\times 5^1\times {\mathrm{12547}}^1\times {\mathrm{36761}}^1$

素因数の和:49319

約数の個数: 32

約数和(自身を含む): 41516061840

約数和(自身を除く): 23066451160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 12547, 25094, 36761, 50188, 62735, 73522, 100376, 125470, 147044, 183805, 250940, 294088, 367610, 501880, 735220, 1470440, 461240267, 922480534, 1844961068, 2306201335, 3689922136, 4612402670, 9224805340, 18449610680]

約数ペア:

[(1, 18449610680), (2, 9224805340), (4, 4612402670), (5, 3689922136), (8, 2306201335), (10, 1844961068), (20, 922480534), (40, 461240267), (12547, 1470440), (25094, 735220), (36761, 501880), (50188, 367610), (62735, 294088), (73522, 250940), (100376, 183805), (125470, 147044)]