18821517

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{601}}^1$

素因数の和:701

約数の個数: 32

約数和(自身を含む): 29936256

約数和(自身を除く): 11114739

約数列:

[1, 3, 11, 13, 33, 39, 73, 143, 219, 429, 601, 803, 949, 1803, 2409, 2847, 6611, 7813, 10439, 19833, 23439, 31317, 43873, 85943, 131619, 257829, 482603, 570349, 1447809, 1711047, 6273839, 18821517]

約数ペア:

[(1, 18821517), (3, 6273839), (11, 1711047), (13, 1447809), (33, 570349), (39, 482603), (73, 257829), (143, 131619), (219, 85943), (429, 43873), (601, 31317), (803, 23439), (949, 19833), (1803, 10439), (2409, 7813), (2847, 6611)]