19409868

素因数分解:

$2^2\times 3^5\times {\mathrm{19}}^1\times {\mathrm{1051}}^1$

素因数の和:1089

約数の個数: 72

約数和(自身を含む): 53609920

約数和(自身を除く): 34200052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 243, 324, 342, 486, 513, 684, 972, 1026, 1051, 1539, 2052, 2102, 3078, 3153, 4204, 4617, 6156, 6306, 9234, 9459, 12612, 18468, 18918, 19969, 28377, 37836, 39938, 56754, 59907, 79876, 85131, 113508, 119814, 170262, 179721, 239628, 255393, 340524, 359442, 510786, 539163, 718884, 1021572, 1078326, 1617489, 2156652, 3234978, 4852467, 6469956, 9704934, 19409868]

約数ペア:

[(1, 19409868), (2, 9704934), (3, 6469956), (4, 4852467), (6, 3234978), (9, 2156652), (12, 1617489), (18, 1078326), (19, 1021572), (27, 718884), (36, 539163), (38, 510786), (54, 359442), (57, 340524), (76, 255393), (81, 239628), (108, 179721), (114, 170262), (162, 119814), (171, 113508), (228, 85131), (243, 79876), (324, 59907), (342, 56754), (486, 39938), (513, 37836), (684, 28377), (972, 19969), (1026, 18918), (1051, 18468), (1539, 12612), (2052, 9459), (2102, 9234), (3078, 6306), (3153, 6156), (4204, 4617)]