19947402

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{179}}^1$

素因数の和:379

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 24868278

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 151, 179, 246, 302, 358, 369, 453, 537, 738, 906, 1074, 1359, 1611, 2718, 3222, 6191, 7339, 12382, 14678, 18573, 22017, 27029, 37146, 44034, 54058, 55719, 66051, 81087, 111438, 132102, 162174, 243261, 486522, 1108189, 2216378, 3324567, 6649134, 9973701, 19947402]

約数ペア:

[(1, 19947402), (2, 9973701), (3, 6649134), (6, 3324567), (9, 2216378), (18, 1108189), (41, 486522), (82, 243261), (123, 162174), (151, 132102), (179, 111438), (246, 81087), (302, 66051), (358, 55719), (369, 54058), (453, 44034), (537, 37146), (738, 27029), (906, 22017), (1074, 18573), (1359, 14678), (1611, 12382), (2718, 7339), (3222, 6191)]