18975530728

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2800403}}^1$

素因数の和:2800438

約数の個数: 48

約数和(自身を含む): 44694447840

約数和(自身を除く): 25718917112

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 121, 154, 242, 308, 484, 616, 847, 968, 1694, 3388, 6776, 2800403, 5600806, 11201612, 19602821, 22403224, 30804433, 39205642, 61608866, 78411284, 123217732, 156822568, 215631031, 246435464, 338848763, 431262062, 677697526, 862524124, 1355395052, 1725048248, 2371941341, 2710790104, 4743882682, 9487765364, 18975530728]

約数ペア:

[(1, 18975530728), (2, 9487765364), (4, 4743882682), (7, 2710790104), (8, 2371941341), (11, 1725048248), (14, 1355395052), (22, 862524124), (28, 677697526), (44, 431262062), (56, 338848763), (77, 246435464), (88, 215631031), (121, 156822568), (154, 123217732), (242, 78411284), (308, 61608866), (484, 39205642), (616, 30804433), (847, 22403224), (968, 19602821), (1694, 11201612), (3388, 5600806), (6776, 2800403)]