18186220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{619}}^1$

素因数の和:754

約数の個数: 48

約数和(自身を含む): 41559840

約数和(自身を除く): 23373620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 113, 130, 226, 260, 452, 565, 619, 1130, 1238, 1469, 2260, 2476, 2938, 3095, 5876, 6190, 7345, 8047, 12380, 14690, 16094, 29380, 32188, 40235, 69947, 80470, 139894, 160940, 279788, 349735, 699470, 909311, 1398940, 1818622, 3637244, 4546555, 9093110, 18186220]

約数ペア:

[(1, 18186220), (2, 9093110), (4, 4546555), (5, 3637244), (10, 1818622), (13, 1398940), (20, 909311), (26, 699470), (52, 349735), (65, 279788), (113, 160940), (130, 139894), (226, 80470), (260, 69947), (452, 40235), (565, 32188), (619, 29380), (1130, 16094), (1238, 14690), (1469, 12380), (2260, 8047), (2476, 7345), (2938, 6190), (3095, 5876)]