19936770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{683}}^1$

素因数の和:839

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 35220990

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 139, 210, 278, 417, 683, 695, 834, 973, 1366, 1390, 1946, 2049, 2085, 2919, 3415, 4098, 4170, 4781, 4865, 5838, 6830, 9562, 9730, 10245, 14343, 14595, 20490, 23905, 28686, 29190, 47810, 71715, 94937, 143430, 189874, 284811, 474685, 569622, 664559, 949370, 1329118, 1424055, 1993677, 2848110, 3322795, 3987354, 6645590, 9968385, 19936770]

約数ペア:

[(1, 19936770), (2, 9968385), (3, 6645590), (5, 3987354), (6, 3322795), (7, 2848110), (10, 1993677), (14, 1424055), (15, 1329118), (21, 949370), (30, 664559), (35, 569622), (42, 474685), (70, 284811), (105, 189874), (139, 143430), (210, 94937), (278, 71715), (417, 47810), (683, 29190), (695, 28686), (834, 23905), (973, 20490), (1366, 14595), (1390, 14343), (1946, 10245), (2049, 9730), (2085, 9562), (2919, 6830), (3415, 5838), (4098, 4865), (4170, 4781)]