18538884

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5659}}^1$

素因数の和:5689

約数の個数: 72

約数和(自身を含む): 57686720

約数和(自身を除く): 39147836

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 5659, 11318, 16977, 22636, 33954, 39613, 50931, 67908, 73567, 79226, 101862, 118839, 147134, 158452, 203724, 220701, 237678, 294268, 356517, 441402, 475356, 514969, 662103, 713034, 882804, 1029938, 1324206, 1426068, 1544907, 2059876, 2648412, 3089814, 4634721, 6179628, 9269442, 18538884]

約数ペア:

[(1, 18538884), (2, 9269442), (3, 6179628), (4, 4634721), (6, 3089814), (7, 2648412), (9, 2059876), (12, 1544907), (13, 1426068), (14, 1324206), (18, 1029938), (21, 882804), (26, 713034), (28, 662103), (36, 514969), (39, 475356), (42, 441402), (52, 356517), (63, 294268), (78, 237678), (84, 220701), (91, 203724), (117, 158452), (126, 147134), (156, 118839), (182, 101862), (234, 79226), (252, 73567), (273, 67908), (364, 50931), (468, 39613), (546, 33954), (819, 22636), (1092, 16977), (1638, 11318), (3276, 5659)]