19140498

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{521}}^1$

素因数の和:699

約数の個数: 48

約数和(自身を含む): 45031896

約数和(自身を除く): 25891398

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 157, 234, 314, 471, 521, 942, 1042, 1413, 1563, 2041, 2826, 3126, 4082, 4689, 6123, 6773, 9378, 12246, 13546, 18369, 20319, 36738, 40638, 60957, 81797, 121914, 163594, 245391, 490782, 736173, 1063361, 1472346, 2126722, 3190083, 6380166, 9570249, 19140498]

約数ペア:

[(1, 19140498), (2, 9570249), (3, 6380166), (6, 3190083), (9, 2126722), (13, 1472346), (18, 1063361), (26, 736173), (39, 490782), (78, 245391), (117, 163594), (157, 121914), (234, 81797), (314, 60957), (471, 40638), (521, 36738), (942, 20319), (1042, 18369), (1413, 13546), (1563, 12246), (2041, 9378), (2826, 6773), (3126, 6123), (4082, 4689)]