19860876

素因数分解:

$2^2\times 3^6\times 7^2\times {\mathrm{139}}^1$

素因数の和:175

約数の個数: 126

約数和(自身を含む): 61054980

約数和(自身を除く): 41194104

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 139, 147, 162, 189, 196, 243, 252, 278, 294, 324, 378, 417, 441, 486, 556, 567, 588, 729, 756, 834, 882, 972, 973, 1134, 1251, 1323, 1458, 1668, 1701, 1764, 1946, 2268, 2502, 2646, 2916, 2919, 3402, 3753, 3892, 3969, 5004, 5103, 5292, 5838, 6804, 6811, 7506, 7938, 8757, 10206, 11259, 11676, 11907, 13622, 15012, 15876, 17514, 20412, 20433, 22518, 23814, 26271, 27244, 33777, 35028, 35721, 40866, 45036, 47628, 52542, 61299, 67554, 71442, 78813, 81732, 101331, 105084, 122598, 135108, 142884, 157626, 183897, 202662, 236439, 245196, 315252, 367794, 405324, 472878, 551691, 709317, 735588, 945756, 1103382, 1418634, 1655073, 2206764, 2837268, 3310146, 4965219, 6620292, 9930438, 19860876]

約数ペア:

[(1, 19860876), (2, 9930438), (3, 6620292), (4, 4965219), (6, 3310146), (7, 2837268), (9, 2206764), (12, 1655073), (14, 1418634), (18, 1103382), (21, 945756), (27, 735588), (28, 709317), (36, 551691), (42, 472878), (49, 405324), (54, 367794), (63, 315252), (81, 245196), (84, 236439), (98, 202662), (108, 183897), (126, 157626), (139, 142884), (147, 135108), (162, 122598), (189, 105084), (196, 101331), (243, 81732), (252, 78813), (278, 71442), (294, 67554), (324, 61299), (378, 52542), (417, 47628), (441, 45036), (486, 40866), (556, 35721), (567, 35028), (588, 33777), (729, 27244), (756, 26271), (834, 23814), (882, 22518), (972, 20433), (973, 20412), (1134, 17514), (1251, 15876), (1323, 15012), (1458, 13622), (1668, 11907), (1701, 11676), (1764, 11259), (1946, 10206), (2268, 8757), (2502, 7938), (2646, 7506), (2916, 6811), (2919, 6804), (3402, 5838), (3753, 5292), (3892, 5103), (3969, 5004)]