19365376

素因数分解:

$2^9\times {\mathrm{109}}^1\times {\mathrm{347}}^1$

素因数の和:474

約数の個数: 40

約数和(自身を含む): 39160440

約数和(自身を除く): 19795064

約数列:

[1, 2, 4, 8, 16, 32, 64, 109, 128, 218, 256, 347, 436, 512, 694, 872, 1388, 1744, 2776, 3488, 5552, 6976, 11104, 13952, 22208, 27904, 37823, 44416, 55808, 75646, 88832, 151292, 177664, 302584, 605168, 1210336, 2420672, 4841344, 9682688, 19365376]

約数ペア:

[(1, 19365376), (2, 9682688), (4, 4841344), (8, 2420672), (16, 1210336), (32, 605168), (64, 302584), (109, 177664), (128, 151292), (218, 88832), (256, 75646), (347, 55808), (436, 44416), (512, 37823), (694, 27904), (872, 22208), (1388, 13952), (1744, 11104), (2776, 6976), (3488, 5552)]