18760208

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{347}}^1$

素因数の和:495

約数の個数: 40

約数和(自身を含む): 37973760

約数和(自身を除く): 19213552

約数列:

[1, 2, 4, 8, 16, 31, 62, 109, 124, 218, 248, 347, 436, 496, 694, 872, 1388, 1744, 2776, 3379, 5552, 6758, 10757, 13516, 21514, 27032, 37823, 43028, 54064, 75646, 86056, 151292, 172112, 302584, 605168, 1172513, 2345026, 4690052, 9380104, 18760208]

約数ペア:

[(1, 18760208), (2, 9380104), (4, 4690052), (8, 2345026), (16, 1172513), (31, 605168), (62, 302584), (109, 172112), (124, 151292), (218, 86056), (248, 75646), (347, 54064), (436, 43028), (496, 37823), (694, 27032), (872, 21514), (1388, 13516), (1744, 10757), (2776, 6758), (3379, 5552)]