19825498

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1$

素因数の和:427

約数の個数: 48

約数和(自身を含む): 38561184

約数和(自身を除く): 18735686

約数列:

[1, 2, 7, 11, 14, 22, 49, 53, 77, 98, 106, 154, 347, 371, 539, 583, 694, 742, 1078, 1166, 2429, 2597, 3817, 4081, 4858, 5194, 7634, 8162, 17003, 18391, 26719, 28567, 34006, 36782, 53438, 57134, 128737, 187033, 202301, 257474, 374066, 404602, 901159, 1416107, 1802318, 2832214, 9912749, 19825498]

約数ペア:

[(1, 19825498), (2, 9912749), (7, 2832214), (11, 1802318), (14, 1416107), (22, 901159), (49, 404602), (53, 374066), (77, 257474), (98, 202301), (106, 187033), (154, 128737), (347, 57134), (371, 53438), (539, 36782), (583, 34006), (694, 28567), (742, 26719), (1078, 18391), (1166, 17003), (2429, 8162), (2597, 7634), (3817, 5194), (4081, 4858)]