18366426

素因数分解:

$2^1\times 3^7\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:72

約数の個数: 128

約数和(自身を含む): 49593600

約数和(自身を除く): 31227174

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 19, 26, 27, 34, 38, 39, 51, 54, 57, 78, 81, 102, 114, 117, 153, 162, 171, 221, 234, 243, 247, 306, 323, 342, 351, 442, 459, 486, 494, 513, 646, 663, 702, 729, 741, 918, 969, 1026, 1053, 1326, 1377, 1458, 1482, 1539, 1938, 1989, 2106, 2187, 2223, 2754, 2907, 3078, 3159, 3978, 4131, 4199, 4374, 4446, 4617, 5814, 5967, 6318, 6669, 8262, 8398, 8721, 9234, 9477, 11934, 12393, 12597, 13338, 13851, 17442, 17901, 18954, 20007, 24786, 25194, 26163, 27702, 28431, 35802, 37179, 37791, 40014, 41553, 52326, 53703, 56862, 60021, 74358, 75582, 78489, 83106, 107406, 113373, 120042, 156978, 161109, 180063, 226746, 235467, 322218, 340119, 360126, 470934, 483327, 540189, 680238, 706401, 966654, 1020357, 1080378, 1412802, 2040714, 3061071, 6122142, 9183213, 18366426]

約数ペア:

[(1, 18366426), (2, 9183213), (3, 6122142), (6, 3061071), (9, 2040714), (13, 1412802), (17, 1080378), (18, 1020357), (19, 966654), (26, 706401), (27, 680238), (34, 540189), (38, 483327), (39, 470934), (51, 360126), (54, 340119), (57, 322218), (78, 235467), (81, 226746), (102, 180063), (114, 161109), (117, 156978), (153, 120042), (162, 113373), (171, 107406), (221, 83106), (234, 78489), (243, 75582), (247, 74358), (306, 60021), (323, 56862), (342, 53703), (351, 52326), (442, 41553), (459, 40014), (486, 37791), (494, 37179), (513, 35802), (646, 28431), (663, 27702), (702, 26163), (729, 25194), (741, 24786), (918, 20007), (969, 18954), (1026, 17901), (1053, 17442), (1326, 13851), (1377, 13338), (1458, 12597), (1482, 12393), (1539, 11934), (1938, 9477), (1989, 9234), (2106, 8721), (2187, 8398), (2223, 8262), (2754, 6669), (2907, 6318), (3078, 5967), (3159, 5814), (3978, 4617), (4131, 4446), (4199, 4374)]